Aquarium Maintenance Notebook: Top 10 Aquarium Maintenance Notebooks & Apps for Logging (2026)

Few things sabotage a thriving aquarium faster than “guess-work husbandry.” One week you forget when the last water change happened, the next you’re chasing an algae bloom that could have been prevented with a single pH notation. Whether you’re running a high-tech aquascape or a modest betta bowl, a disciplined logbook is the cheapest insurance policy in the hobby. In 2025, the range of aquarium maintenance notebooks and apps is wider—and smarter—than ever, merging cloud backups, AI parameter analysis, and even voice-to-text narration while you drip acclimating that new school of tetras. Below, we’ll dive deep into what separates a glorified checklist from a true command-center, so you can choose a tracking system that feels invisible on busy days and indispensable on the day something goes sideways.

Top 10 Aquarium Maintenance Notebook

All My Fish Keeping Shit: Funny Home Fish Tank Care Journal & Aquarium Maintenance Notebook Log Book for Recording Water Testing Changes & Overall ... - Aquarium Lovers Gifts for Men & Women All My Fish Keeping Shit: Funny Home Fish Tank Care Journal … Check Price
Aquarium Log Book: Track Water Conditions, Maintenance, and Fish Health Aquarium Log Book: Track Water Conditions, Maintenance, and … Check Price
Aquarium Maintenance Notebook: Maintenance Journal for Fish Tanks Care Aquarium Maintenance Notebook: Maintenance Journal for Fish … Check Price
Aquarium Maintenance Logbook: Document & Track Feeding, Tank Conditions, Water Test Readings & Other Important Information | Fish Keeping Record Book for Aquarists of All Levels Aquarium Maintenance Logbook: Document & Track Feeding, Tank… Check Price
Aquarium Log Book: Fish Tank Care & Aquarium Maintenance Notebook & Home Fish Keeping Journal for Recording Water Testing, Changes & Overall Fish ... - Aquarium Lovers Gifts for Men Women & Kids Aquarium Log Book: Fish Tank Care & Aquarium Maintenance Not… Check Price
Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book | Colorful Tank Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aqu… Check Price
Aquarium Logbook Aquarium Maintenance Notebook: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, Tempature, Water ... Many More For Saltwater & Fresh Water Tanks Aquarium Logbook Aquarium Maintenance Notebook: Tank Aquariu… Check Price
Aquarium Logbook Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, ... Many More For Saltwater & Fresh Water Tanks Aquarium Logbook Aquarium Maintenance Notebook Fish Keeping … Check Price
My Colorful Aquarium: The Logbook - Logbook for Monitoring Your Aquarium | A5 | Feeding Schedule, Water Quality, Technical Equipment (Aquarium Adventures for Kids) My Colorful Aquarium: The Logbook – Logbook for Monitoring Y… Check Price
The Aquascaping Master Collection: The Step-by-Step Handbook to Designing and Maintaining Freshwater Aquariums-Avoid Costly Mistakes, Master Plant and Fish Care, and Create Thriving Aquatic Habitats The Aquascaping Master Collection: The Step-by-Step Handbook… Check Price

Detailed Product Reviews

1. All My Fish Keeping Shit: Funny Home Fish Tank Care Journal & Aquarium Maintenance Notebook Log Book for Recording Water Testing Changes & Overall … – Aquarium Lovers Gifts for Men & Women

All My Fish Keeping Shit: Funny Home Fish Tank Care Journal & Aquarium Maintenance Notebook Log Book for Recording Water Testing Changes & Overall ... - Aquarium Lovers Gifts for Men & Women

Overview:
Marketed as the cheeky rebel of aquarium logbooks, All My Fish Keeping Shit is a 110-page paperback that invites aquarists to record water tests, livestock additions, and maintenance notes under a deliberately provocative cover.

What Makes It Stand Out:
The irreverent title and tongue-in-cheek interior headings (“Today I Fiddled With…”) turn routine record-keeping into a conversation starter. Thick cream paper resists bleeding from gel pens, and the lay-flat spiral binding fits on tank stands.

Value for Money:
At $6.99 it’s cheaper than a single neon tetra, yet it replaces reams of soggy sticky notes and forgotten phone-app entries.

Strengths and Weaknesses:
+ Humor encourages consistent logging
+ Dedicated grids for pH, ammonia, nitrite, nitrate, and temperature
+ Perforated corners let you tear out spills
– Language isn’t kid- or office-appropriate
– No index or page numbers, making historical look-ups tedious
– Thin cardboard cover warps if splashed

Bottom Line:
Buy it if you want a gag gift that actually gets used; skip if you share the fish room with children or polite company.



2. Aquarium Log Book: Track Water Conditions, Maintenance, and Fish Health

Aquarium Log Book: Track Water Conditions, Maintenance, and Fish Health

Overview:
A no-nonsense, 120-page logbook whose matte cover promises “zero fish puns inside,” targeting hobbyists who crave data clarity over décor.

What Makes It Stand Out:
Weekly two-page spreads pair water-parameter tables with behavioral notes, plus a “Red-Flag” checklist that prompts action before emergencies bloom.

Value for Money:
$6.99 positions it as the cheapest insurance policy against tank crashes.

Strengths and Weaknesses:
+ Archival-quality paper won’t yellow under aquarium lights
+ Cloud-storage code lets you download printable refill pages free
+ Ink icons for common treatments speed notation
– Lacks feeder-tracker section
– Calendar starts January–December, forcing tropical keepers to ignore irrelevant months
– Stapled binding, not spiral, so it won’t lay flat during water changes

Bottom Line:
Perfect for meticulous aquarists who trust pen and paper more than phone apps; pass if you need meal-tracking space.



3. Aquarium Maintenance Notebook: Maintenance Journal for Fish Tanks Care

Aquarium Maintenance Notebook: Maintenance Journal for Fish Tanks Care

Overview:
The $9.99 Aquarium Maintenance Notebook doubles page-count to 200, branding itself as the “lifetime archive” for multiple tanks.

What Makes It Stand Out:
Color-coded tank tabs, waterproof plastic covers, and a quick-reference cheat sheet of safe dosage conversions glued inside the rear cover.

Value for Money:
Extra $3 buys twice the longevity and splash protection, outlasting cheaper alternatives that curl and tear.

Strengths and Weaknesses:
+ Hard-wearing poly cover survives salt-creep
+ Per-tank indexing prevents cross-contaminated notes
+ Includes sketch pages for aquascape planning
– Heavier; not portable for store trips
– Narrow line spacing cramps large handwriting
– Tabs can snag on shelving

Bottom Line:
Best for multi-tank breeders or reef addicts who need rugged organization; overkill for a single betta bowl.



4. Aquarium Maintenance Logbook: Document & Track Feeding, Tank Conditions, Water Test Readings & Other Important Information | Fish Keeping Record Book for Aquarists of All Levels

Aquarium Maintenance Logbook: Document & Track Feeding, Tank Conditions, Water Test Readings & Other Important Information | Fish Keeping Record Book for Aquarists of All Levels

Overview:
Subtitled “Document & Track…”, this 150-page logbook sells the dream of seamless continuity when you hand tank duties to a sitter.

What Makes It Stand Out:
Pre-printed QR codes on each log page hyperlink to YouTube mini-lessons on water testing, making it newbie-friendly.

Value for Money:
At $9.99 you’re paying for embedded education, not just paper.

Strengths and Weaknesses:
+ Sitter instructions sheet detachable for quick briefings
+ Laminated quick-card of common fish illnesses tucks into pocket
+ Ample margin space for photo tape-ins
– Dark page borders reduce writing visibility under blue LEDs
– Code links require internet; useless in offline fish rooms
– Only six months of daily entry blocks

Bottom Line:
Excellent gift for beginners or vacationing families; seasoned keepers may outgrow its instructional focus.



5. Aquarium Log Book: Fish Tank Care & Aquarium Maintenance Notebook & Home Fish Keeping Journal for Recording Water Testing, Changes & Overall Fish … – Aquarium Lovers Gifts for Men Women & Kids

Aquarium Log Book: Fish Tank Care & Aquarium Maintenance Notebook & Home Fish Keeping Journal for Recording Water Testing, Changes & Overall Fish ... - Aquarium Lovers Gifts for Men Women & Kids

Overview:
Essentially the family-friendly twin of Product 1, swapping profanity for pastel fish silhouettes while keeping the same $6.99 price.

What Makes It Stand Out:
Kid-centric features: sticker sheet of tropical fish, “Draw Your Favorite Fish” pages, and larger print for early writers.

Value for Money:
Still cheaper than a test-strip refill, and the included stickers entertain children during water-change downtime.

Strengths and Weaknesses:
+ Wide 0.4-inch line spacing accommodates crayons
+ Parent/child co-signature boxes encourage shared responsibility
+ Sturdy center-stitched binding survives backpack trips
– Only 90 days of logs; outgrown quickly in stable tanks
– Pastel ink bleeds if water drops sit
– No advanced parameter columns (KH, GH, TDS)

Bottom Line:
Ideal for young families turning aquarium care into STEM bonding; serious aquarists will need a second, more detailed journal within months.


6. Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book | Colorful Tank

Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book | Colorful Tank

Overview: The Aquarium Maintenance Notebook Fish Keeping Journal is a vibrant, dedicated logbook designed for aquarists who want to track every detail of their underwater ecosystem. With its eye-catching “Colorful Tank” cover, this hardbound book feels more like a keepsake than a chore chart, offering 120 lightly-lined pages for recording water parameters, livestock changes, and maintenance schedules.

What Makes It Stand Out: Unlike generic notebooks, it arrives with pre-labeled section suggestions (pH, ammonia, nitrite, nitrate, temperature, feeding, and livestock notes) subtly printed at the top of each page, saving setup time while leaving flexibility for customization. The thick, ink-bleed-resistant paper stands up to damp hands around the tank, and the lay-flat binding makes writing during water changes painless.

Value for Money: At $16.99 it sits mid-range among aquarium journals, but the durable hardcover, color-fast laminate, and included quick-reference cheat-sheet inside the back cover (ideal water params for 30 popular species) justify the extra few dollars over spiral alternatives that fall apart after a year.

Strengths and Weaknesses: Strengths—sturdy construction, cheerful artwork that appeals to both kids and adults, and unobtrusive prompts that guide without constraining. Weaknesses—no waterproof pages, and the absence of pocket folders for storing test-strip charts or receipts.

Bottom Line: If you want an attractive, long-lasting log that turns record-keeping into a pleasurable ritual, this journal earns its spot on the aquarium stand.


7. Aquarium Logbook Aquarium Maintenance Notebook: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, Tempature, Water … Many More For Saltwater & Fresh Water Tanks

Aquarium Logbook Aquarium Maintenance Notebook: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, Tempature, Water ... Many More For Saltwater & Fresh Water Tanks

Overview: This no-frills Aquarium Logbook is a budget-friendly companion for freshwater and saltwater hobbyists who need data more than décor. The matte paperback contains 100 templated pages covering date, temperature, pH, ammonia, nitrite, nitrate, water changes, dosage, and observations, all in a compact 6″ x 9″ format that tucks easily into a cabinet door.

What Makes It Stand Out: Simplicity is the selling point: one glance column headers keep testing sessions fast, and the spiral-style glue binding lets pages fold back completely so you can write one-handed while the other hand holds a test tube. At the front, a one-page setup index prompts you to record tank volume, filtration, and start date—handy when running multiple tanks.

Value for Money: $5.95 makes it the cheapest serious option on the market; you could buy three of these for the price of one hardcover competitor, ideal for classrooms, aquatic stores doing quarantine logs, or breeders juggling dozens of tanks.

Strengths and Weaknesses: Strengths—ultra-affordable, lightweight, clear layout, enough rows for a full year of weekly entries. Weaknesses—thin paper wrinkles if splashed, cover scuffs quickly, and columns are narrow; long notes spill into margins.

Bottom Line: For aquarists who view logging as pure utility, this booklet delivers exactly what’s needed and nothing more—then politely gets out of the way.


8. Aquarium Logbook Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, … Many More For Saltwater & Fresh Water Tanks

Aquarium Logbook Aquarium Maintenance Notebook Fish Keeping Journal: Tank Aquarium Log Book Fish Keeping Journal. Freshwater log, Record Fish Journal, ... Many More For Saltwater & Fresh Water Tanks

Overview: Virtually identical to Product 7 in both price and page count, this Aquarium Logbook differentiates itself with a glossy cover sporting a serene planted-tank photo that feels a touch more “adult” than its sibling’s cartoon fish. Inside, the same 100 templated pages await your water-test results, dosage notes, and livestock changes.

What Makes It Stand Out: The cover lamination resists moisture better than matte finishes, so accidental salt creep wipes off without staining. A second subtle difference: the back page offers a quick QR code linking to a free Google Sheets template—handy if you ever migrate to digital logging but want to preserve historical data.

Value for Money: Still $5.95, positioning it as the aesthetic upgrade of Product 7 for zero extra dollars. That alone makes it the better pick for gift-giving or for anyone who leaves the logbook in plain sight on a countertop.

Strengths and Weaknesses: Strengths—smudge-proof cover, same practical interior, bonus digital backup option. Weaknesses—shares the thin-paper issue; gel pens ghost, and there’s no index page for multiple tanks, so labeling the cover becomes mandatory if you run more than one aquarium.

Bottom Line: Choose this version over Product 7 if you prefer a wipe-clean cover and a free path to spreadsheet backup—otherwise, flip a coin.


9. My Colorful Aquarium: The Logbook – Logbook for Monitoring Your Aquarium | A5 | Feeding Schedule, Water Quality, Technical Equipment (Aquarium Adventures for Kids)

My Colorful Aquarium: The Logbook - Logbook for Monitoring Your Aquarium | A5 | Feeding Schedule, Water Quality, Technical Equipment (Aquarium Adventures for Kids)

Overview: “My Colorful Aquarium: The Logbook” targets junior aquarists with an A5 workbook that turns tank maintenance into an educational adventure. Every other page features playful illustrations of fish, snails, and plants ready to be colored, while facing pages provide gentle prompts for feeding time, water temperature, and “what I observed today.”

What Makes It Stand Out: The blend of logging and coloring encourages kids to interact with their tank daily without making the task feel like homework. Icons instead of words guide pre-readers (a thermometer picture precedes the temp box), and a reusable sticker sheet rewards weekly completion. Parental tips tucked into the margins explain why each parameter matters, creating natural science conversations.

Value for Money: At $9.90 you’re paying for dual functionality: part logbook, part activity book. A plain notebook plus a separate coloring book would cost more and lack the aquarium-specific guidance, so the price feels fair for keeping a child engaged.

Strengths and Weaknesses: Strengths—age-appropriate design, builds good husbandry habits early, sturdy enough for sticky fingers. Weaknesses—only 60 entry spreads, so heavy users will fill it in little over a year; wire binding can snag on tank stands; no expansion room for multiple tanks.

Bottom Line: A charming introduction to responsible fish-keeping that turns routine checks into quality parent-child time—well worth ten bucks.


10. The Aquascaping Master Collection: The Step-by-Step Handbook to Designing and Maintaining Freshwater Aquariums-Avoid Costly Mistakes, Master Plant and Fish Care, and Create Thriving Aquatic Habitats

The Aquascaping Master Collection: The Step-by-Step Handbook to Designing and Maintaining Freshwater Aquariums-Avoid Costly Mistakes, Master Plant and Fish Care, and Create Thriving Aquatic Habitats

Overview: The Aquascaping Master Collection is a 250-page paperback that pivots from simple logbooks to full-blown aquatic mentorship. Part design gallery, part chemistry class, and part step-by-step manual, it walks readers through substrate selection, hardscape placement, plant nutrition, and fish compatibility before providing maintenance checklists you can photocopy and slip into your own binder.

What Makes It Stand Out: Unlike generic aquarium logs, this is a curriculum: 40+ annotated aquascape layouts (low-tech to high-tech), troubleshooting flowcharts for algae, and a “costly mistake” call-out box in every chapter gleaned from the author’s 20 years of client work. QR codes link to time-lapse videos of tank setups, bridging print and digital learning.

Value for Money: $21.97 positions it as a premium handbook, but replacing even one dead batch of carpeting plants or a crashed cycle easily exceeds that cost. Consider it insurance paid once and consulted for years.

Strengths and Weaknesses: Strengths—encyclopedic yet readable, spiral lay-flat binding available on request, worksheets included. Weaknesses—no waterproof coating, photographs rendered in matte print lose some vibrancy, and advanced reef topics are absent (freshwater focus).

Bottom Line: If you’re starting your first planted tank or upgrading to an aquascape showcase, this single resource replaces hours of forum scrolling and pays for itself with the first disaster it helps you avoid.


Why Every Tank Needs a Digital or Paper Trail

Fish don’t send calendar invites when they’re about to spawn—or crash. A meticulous trail converts invisible chemistry into actionable trends, letting you spot the slow nitrate creep long before your corals brown out or your angelfish start flashing. Beyond crisis prevention, logs become your personal reef or freshwater textbook, revealing what your unique water supply, livestock mix, and maintenance style actually reward.

Paper vs. Digital: Which Format Suits Your Style?

Paper never runs out of battery mid-drip, while digital shines at 2 a.m. when you need to know your last magnesium dose without turning on the light. Ask yourself: Do you enjoy the tactile ritual of handwriting, or do you already run your life from a smartwatch? Hybrid keepers often paper-log daily observations, then batch-upload to an app weekly for graphing and safekeeping.

Key Features That Transform a Notebook Into a Command Center

Look beyond blank lines. A serious maintenance tool provides parameter fields aligned with standard test kits, space for livestock behavioral notes, and reminders keyed to your exact dosing regimen. Bonus points for photo slots, equipment serial numbers, and emergency contact sheets—because when a canister filter leaks at 6 a.m., you’ll want the manufacturer’s hotline at your fingertips.

Water Parameter Fields You Should Never Skip

At minimum, dedicate consistent real estate to temperature, pH, ammonia, nitrite, nitrate, GH, and KH. Saltwater keepers should add salinity, alkalinity, calcium, and magnesium. Leave generous margins: hobby-grade test kits evolve, and tomorrow’s “must-track” might be potassium or phosphate.

The Role of Livestock Journals in Disease Prevention

Slight color fade or a single afternoon hiding episode can be the opening act of ich or velvet. A livestock journal that pairs behavior icons with water readings lets you correlate stress events to chemistry swings, filtration lapses, or new introductions—turning vague anxiety into data-driven quarantine decisions.

Scheduling Reminders: Automating Water Changes & Dosing

Modern apps sync with calendar ecosystems and even smart plugs. Imagine your phone pinging “25% water change” the moment your household conductivity probe detects a 50-µS creep. Adjustable snooze functions respect real life: skip today’s top-off because you’re traveling, and the algorithm recalculates tomorrow’s alkalinity dose automatically.

Graphing & Trend Analysis: Spotting Silent Problems

Human brains stink at detecting 0.2-pH drifts across three weeks. Built-in graphing converts raw numbers into slopes you can judge at a glance. Pro tip: export CSV files every quarter; if you ever hire a tank-sitter or consult an expert, you’ll hand them a crystal-ball view of your system’s personality.

Cloud Sync & Backup: Protecting Years of Data

Tanks outlive phones. Cloud backup ensures that when your device takes a saltwater bath, five years of parameter gold isn’t lost to the briny deep. Prioritize platforms with end-to-end encryption—your home address plus “tank valuables” list is catnip for burglars.

Customization & Flexibility: Adapting the Log to Your Biotope

Blackwater Amazon tanks care more about tannin levels than calcium. Reef keepers obsess over trace elements. Choose a platform that lets you rename, add, or retire fields as your husbandry evolves. Drag-and-drop form builders are worth their weight in dragon-grade stone.

Integrations: From Smart Dispensers to PAR Meters

APIs are aquarium keeping’s quiet revolution. High-end apps now ingest data straight from peristaltic dosers, automatic feeders, and even submersible PAR meters. One-tap calibration replaces manual entry, slashing human error while you sip morning coffee.

Privacy & Security Considerations for Connected Apps

Any device talking to the cloud is a potential doorway. Vet whether your chosen app sells anonymized data, supports two-factor authentication, and allows local-only mode for sensitive setups like public-aquarium quarantine systems. Read the EULA—yes, actually read it—because your tank’s lithium stock levels could be commercially interesting.

Cost vs. Value: Budgeting for a Logging Solution

Free apps subsidized by ads may monetize your data; premium subscriptions can exceed the yearly cost of a paper journal plus archival pens. Weigh intangible value: a single averted crash saves livestock, chemicals, and sleepless nights that don’t fit neatly into a spreadsheet.

Eco-Friendly & Archival-Grade Paper Options

If you lean analog, look for FSC-certified, acid-free paper that won’t yellow under high-humidity fish-room conditions. Soy-based inks and lay-flat bindings let you write comfortably atop a canopy. Recyclable waterproof covers shrug off salt creep better than plastic-coated alternatives.

Accessibility & User Experience: Voice Notes, Dark Mode & More

Hands wet? Voice-to-text lets you narrate “Trimmed 3 inches of hornwort, spotted three cherry shrimp berried” while wringing out filter wool. Dark mode protects night vision during blue-moonlight inspections, and one-handed portrait entry keeps your free arm inside the tank lid where it belongs.

Transitioning From an Old Log Without Losing Historical Data

Migration headaches keep many aquarists chained to obsolete platforms. Export everything to an open format (CSV or PDF) before you cancel any subscription. Most modern apps offer import wizards—run them on a desktop browser for easier error handling, and spot-check a few critical dates like your last major livestock loss to confirm accuracy.

Common Pitfalls: Over-Logging, Under-Reviewing & Analysis Paralysis

Recording 17 parameters daily feels productive—until the sheer volume prevents you from ever charting it. Set a review cadence: five-minute weekly scans for red-flag trends, half-hour monthly deep dives. Remember, the goal is healthier livestock, not a Nobel Prize in data entry.

Frequently Asked Questions

1. How often should I actually log water parameters—daily, weekly, or only after major events?
Target weekly for stable mature systems, 2–3 times weekly during cycling or medication periods, and always within 24 hours of adding livestock or chemical adjustments.

2. Can I rely solely on my smart controller’s automatic data uploads, or should I still manually verify?
Probes drift and calibration solutions expire. Manual test-kit cross-checks once a month catch sensor drift before your apex thinks 8.2 dKH is “fine” when it’s actually 6.7.

3. What’s the safest way to back up a paper notebook in case of flood or fire?
Scan pages monthly with a cloud-connected scanning app; store the digital copy in an encrypted folder. Keep the physical book in a sealed zipper bag when not in use.

4. Are there any parameters that apps consistently misinterpret, requiring human oversight?
Nitrate and phosphate colorimeters can be fooled by heavily tinted water; always log visual hue alongside digital readouts for context.

5. How do I introduce kids or non-fishkeeping family members to logging without overwhelming them?
Assign single, visual tasks—like ticking an icon when they feed or noticing if the angelfish are “out” or “hiding.” Gradually fold their observations into the master log.

6. Is it worth tracking feed amounts down to the gram?
For most hobbyists, a simple “pinch,” “cube,” or “pellet count” suffices. Precision feeding logs pay off only when troubleshooting nutrient spikes or breeding finicky species.

7. What’s the biggest sign that my current logging system isn’t working?
You repeatedly skip entries because it feels tedious. The best system is the one you’ll actually use; switch formats before gaps erode confidence.

8. Can logging too much data trigger unnecessary tweaks that destabilize the tank?
Absolutely—chasing perfect round numbers can create “dosing roller coasters.” Use trend thresholds (e.g., “raise calcium only if three readings <380 ppm”) to stay disciplined.

9. How long should I keep old logbooks after upgrading tanks or moving households?
Retain at least two years of data; old trends can reveal seasonal patterns useful for diagnosing future outbreaks or equipment failures.

10. Do aquarium clubs or veterinarians ever request access to logs, and how should I share them securely?
Yes, especially for mystery disease cases. Export a sanitized PDF—remove personal identifiers and home address—then transmit via encrypted email or a temporary cloud link with expiration.

Leave a Comment

Your email address will not be published. Required fields are marked *