Nothing beats the first day your freshwater tank bursts to life—coral-reef blues shimmering under LED strips, schooling tetras painting silver arcs across the glass, and lush plant leaves unfurling like watercolor strokes. Fast-forward four weeks: uneaten food drifts under driftwood, detritus stains the sand like abandoned coffee grounds, and nitrates creep toward the dreaded red zone. A reliable siphon is your secret weapon against that downward spiral. In fact, the right vacuum system turns dreaded maintenance into a zen-like five-minute ritual rather than a Saturday-morning chore you dodge with Netflix.
But “siphon” is no longer a catch-all term. In 2025, we’re looking at smart-priming mechanisms, hydrophobic filter meshes, and even antibacterial tubing—tiny revolutions that make yesterday’s manual pumps look downright medieval. Whether you’re a cautious first-time Betta parent or managing an 800-gallon reef with SPS colonies, the fundamentals stay the same: waste out, clean water in, zero stress to livestock. Let’s decode every detail you need to pick the perfect siphon—Aqueon pedigree included—without drowning in marketing jargon.
Top 10 Aqueon Siphon
Detailed Product Reviews
1. Tetra Water Cleaner Gravel Siphon for Aquariums, Easily Clean Freshwater Aquariums
Overview: Tetra’s compact gravel siphon kit is built for mid-size freshwater tanks up to 55 gallons, promising a simple, 30-minute monthly water-change routine.
What Makes It Stand Out: The bullet-shaped intake housing and priming bulb eliminate mouth-priming, while the included bucket clip keeps the hose steady and hands-free—surprisingly rare at this price.
Value for Money: At $8.79 it’s cheaper than two fancy coffee drinks, and replacement parts aren’t needed. For casual keepers with smaller tanks, cost per use quickly approaches zero.
Strengths and Weaknesses: Strengths—light, stores in a drawer, gentle action won’t uproot plants, perfect for beginners. Weaknesses—short rigid tube struggles in deep tanks, narrow bore limits suction in sand, and the plastic clip can snap under cold water.
Bottom Line: An excellent starter siphon for tanks under 55 gallons; upgrade once depth or gravel depth increases.
2. Aqueon Aquarium Siphon Vacuum Gravel Cleaner Large – 16 Inches
Overview: Aqueon delivers a beefy 16-inch manual siphon with an extra-long 6-foot hose for aquariums that require extra reach without faucet hook-ups.
What Makes It Stand Out: The extended reach and self-priming cylinder reduce the need to submerge your whole arm, and the generous hose drains directly into utility sinks or floor buckets.
Value for Money: $25.95 lands you solid, hard-plastic construction that feels more commercial—definitely higher-end than $10 specials, but still within hobbyist budgets.
Strengths and Weaknesses: Strengths—large bore moves water fast, stiff tube stays rigid for deeper tanks, and hose clip prevents kinks. Weaknesses—no priming bulb means mouth-priming unless pre-filled, the rigid tube doesn’t angle around décor, and length can make storage awkward.
Bottom Line: Great for 40-100-gallon setups where speed and reach matter more than compact storage; skip if you need a faucet-powered system.
3. Aqueon Aquarium Fish Tank Water Changer With 25 Foot Hose
Overview: Aqueon’s water-changer system connects to any standard faucet, combining debris-siphoning, drain-away, and refill functions in one 25-foot hose loop.
What Makes It Stand Out: Bypasses manual bucketing entirely—flip on the tap and watch dirty water blast down the drain; reverse the valve and refill from conditioned tap water without hauling buckets.
Value for Money: At $49 you’re trading dollars for backaches saved; for large, frequent water changes that value compounds weekly.
Strengths and Weaknesses: Strengths—huge time saver, enormous consistent suction, 25 ft hose reaches across rooms, vacuuming and refilling without buckets. Weaknesses—requires suitable faucet threads, can’t be used in apartments without access, and wastes tap water to create siphon.
Bottom Line: Indispensable for 55-plus-gallon tanks; households with limited faucet access should look elsewhere.
4. Luigi’s Fish Tank Cleaner – Gravel Pump Vacuum for Aquarium – Hand Siphon Hose to Remove and Change Water or Sand in Minutes – Fish Aquarium Accessories, Supplies & Cleaning Tools
Overview: Luigi’s handheld pump-siphon measures only 12-oz but promises fish-safe cleaning with an integral filter screen, targeted at nano to mid-size tanks needing quick spot-cleaning.
What Makes It Stand Out: The one-way pump valve adds true one-handed priming, and the detachable gravel guard protects shrimp or fry—functions usually bundled in $30+ units.
Value for Money: $12.99 nets a clever hybrid of flexibility and safety; replacement filters are cheap rubber rings, keeping lifetime ownership costs low.
Strengths and Weaknesses: Strengths—rapid setup, no bucket splashes, tiny footprint and flexible tube fit narrow spaces, safe for delicate species. Weaknesses—short 5-minute capacity, soft hose kinks if coiled too tight, and plastic pump lever flexes under aggressive cranking.
Bottom Line: A smart grab-and-go cleaner for aquarists with tanks under 40 gallons; counts as an inexpensive insurance policy against dirty-water disasters.
5. Aqueon Siphon Vacuum [Set of 2] Size: Medium / 5″
![Aqueon Siphon Vacuum [Set of 2] Size: Medium / 5](https://m.media-amazon.com/images/I/41NGj7bHK0L._SL160_.jpg)
Overview: This no-frills set delivers two identical Aqueon Medium siphons—5-inch tubes ideal for detailed cleaning of multiple or partitioned tanks.
What Makes It Stand Out: Buying two siphons at once removes rinse-and-wait downtime when switching between quarantine tanks or fry bins; effective redundancy at a package discount.
Value for Money: $32.60 ($16.30 each) undercuts single-unit pricing by about 20 percent; essentially a buy-one-get-one-half-off deal on reliable mid-size siphons.
Strengths and Weaknesses: Strengths—solid molded tips handle normal gravel without clogging, identical parts simplify storage, handy backups if one breaks. Weaknesses—still require mouth-priming or pre-fill, package lacks hoses (sold separately), and the 5-inch reach struggles in 20-plus-gallon depths.
Bottom Line: Perfect for fish-room owners or “tank syndrome” buyers who don’t want to move gear between setups; skip if you only maintain one medium-large aquarium.
6. AREPK Compact Aquarium Siphon Vacuum and Water Changer Kit with Cleaning Brush. Perfect for Simultaneous Water Changing and Cleaning in Small Fish Tanks. Gravel and Sand Cleaning.
AREPK Compact Aquarium Siphon Vacuum and Water Changer Kit with Cleaning Brush
Overview: A pint-sized, multi-head gravel vacuum that plugs into tanks under 10 gallons without wasting water, yet still accepts larger setups.
What Makes It Stand Out: Three swappable cleaning heads (stiff brush, sponge scraper, thinner intake straw) plus replaceable sponges let you detail decorations, slice algae films, and wriggle between rocks in one sweep.
Value for Money: At $17.99 you get a full accessory suite; competing nano kits force separate brush purchases, making this the cheapest complete cleaning bundle.
Strengths and Weaknesses:
Pros – Fish-safe, odorless tubing; micro-size fits narrow corner tanks; simple bulb-less siphon starts fast once primed.
Cons – Plastic tube thin enough for 2–5 g tanks, so flow slows dramatically beyond 15 g; bulb-less design means mouth-priming is occasionally needed.
Bottom Line: Ideal maintenance weapon for betta bowls, shrimp cubes, and turtle tubs; skip if you routinely service 30 g+.
7. AQUANEAT Aquarium Vacuum Siphon, Fish Tank Water Changer, Gravel Cleaner, Hand Pump
AQUANEAT Aquarium Vacuum Siphon, Fish Tank Water Changer, Gravel Cleaner, Hand Pump
Overview: Feather-light bare-bones siphon that drains and fills tanks using a squeeze bulb and 5-ft hose.
What Makes It Stand Out: A built-in coarse filter screen stops curious guppies from becoming accidental passengers during water changes.
Value for Money: At $7.88 it is the cheapest functional siphon on the market—cheaper than a take-out sandwich and lasts much longer.
Strengths and Weaknesses:
Pros – One-hand squeeze start, no mouth contact, safe for fry; collapses for travel.
Cons – Short hose demands you tilt buckets next to stand; rigid 1½” nozzle too chunky for very fine sand and plant roots; plastic “clicks” after repeated squeezes.
Bottom Line: Absolute bargain for beginners with a single 5–20 g tank who don’t mind buckets.
8. hygger Bucket-Free Aquarium Water Change Kit Metal Faucet Connector Fish Tank Vacuum Siphon Gravel Cleaner with Long Hose 25FT Drain & Fill
hygger Bucket-Free Aquarium Water Change Kit Metal Faucet Connector
Overview: A 25-foot hose system that clamps to your faucet and performs triple duty—draining, gravel vacuuming, and refilling—without buckets.
What Makes It Stand Out: Solid brass faucet adapters and on-the-hose shutoff valves create a hose-length gravel cleaner that respects your back and your carpet.
Value for Money: $35.99 is higher than entry-level siphons, but you’re buying half an hour of life back every water change.
Strengths and Weaknesses:
Pros – No lifting; metal connectors survive years of stripping/reattaching; dual control valves allow partial refills.
Cons – Requires sink nearby; faucet threads are standardized but not universal; fine substrate occasionally clogs mid-tube.
Bottom Line: If your tank stands closer to plumbing than to a doorway, this tool becomes indispensable.
9. Siphon Vacuum [Set of 2] Size: Mini / 5″
![Siphon Vacuum [Set of 2] Size: Mini / 5](https://m.media-amazon.com/images/I/413tRyu64TL._SL160_.jpg)
Siphon Vacuum [Set of 2] Size: Mini / 5″
Overview: Two retro 5-inch rigid tubes with simple hose nipples that suction using gravity and a thumb over the outlet.
What Makes It Stand Out: Nothing—unless you find nostalgia for 1980 basic aquarium class nostalgic.
Value for Money: At $23.65 for the pair ($11.82 each) it’s twice the price of a single functional bulb siphon from other brands.
Strengths and Weaknesses:
Pros – Ultra-simple to clean, negligible storage footprint.
Cons – Tiny tube diameter clogs on anything larger than flake food; hose and clips not included; mouth-siphoning still required.
Bottom Line: Strictly replacement parts for classes or kits; modern hobbyists should steer clear.
10. enomol Gravel Vacuum for Aquarium Water Changer Fish Tank Cleaning Tools,Siphon Universal Quick Pump Aquarium Water Changing (30ft)
enomol Gravel Vacuum for Aquarium Water Changer Fish Tank Cleaning Tools, Siphon Universal Quick Pump Aquarium Water Changing (30ft)
Overview: Thirty-foot no-bucket system that drains or fills large aquaria using household water pressure and two main valves.
What Makes It Stand Out: Longest reach in its price bracket (30 ft) plus interchangeable faucet tips that connect to everything from a utility sink to garden-hose bib.
Value for Money: Matching the $35.99 price of Hygger but gifting an extra 5 ft of hose, the kit positions itself as the better deal for tall stands or multi-tank racks.
Strengths and Weaknesses:
Pros – Generous length reaches bathroom, kitchen, or outdoor spigot; integrated filter keeps mulm out of drain lines; semi-automatic action means almost no lifting.
Cons – Long tubing loops coil underfoot; three valve positions (open/gravel/close) require brief learning curve; metal hose ends feel sharper than brass.
Bottom Line: Probably the last siphon you’ll buy for anything up to 180 g; tanks smaller than 10 g may find the hose absurd.
Why Every Tank Needs a Professional-Grade Siphon
Routine water changes are like brushing a patient’s teeth: they prevent long-term disease, and the tool you use is as important as the habit itself. A high-grade siphon removes solid waste in those places filters can’t reach—under rocks, behind plant thickets, inside cave décor—while gently draining off old water. That slurry of fish poop, mulm, and decaying leaves doesn’t just look ugly; it fuels ammonia spikes, phosphate surges, and algal blooms.
Equally crucial is that a siphon does the job above the substrate level. Terrestrial vacuums dig tunnels; aquarium vacuums glide, coaxing detritus into a hose and sparing delicate root systems or burrowed shrimp. Done correctly, you’ll lift nitrate readings from 40 ppm to 10 ppm without stressing a single scale. Translation: fewer emergency filter changes and less reliance on chemical media.
Toss in a cross-contamination phobia, and you’ll also appreciate a detachable nozzle you can sterilize under boiling water—something paper towels and turkey basters simply can’t mimic. In short, the lowly siphon is not “just a tube”; it’s the cardiothoracic surgeon of tank maintenance.
Breaking Down Manual vs. Electric Aquarium Vacuums
Manual Primer Bulb Siphons
Classic squeeze-bulb starters use negative pressure in two seconds; physics does the rest. They’re silent, fail-proof in power outages, and inexpensive enough to stock one per tank (preventing cross-community disease). Expect vinyl tubing around 9–16 mm inner diameters; narrower means slower but finer control near fry, wider blasts through eco-complete gravel fast.
Battery-Powered Electric Gravel Cleaners
Slide a AA-powered unit along the surface and you get multi-directional vibes that shake loose stubborn mulm. These shine on deep sand beds where manual pressure might disturb anaerobic pockets. Key drawback: occasional battery corrosion, and the impeller housing can trap plant snippings—keep a sewing-needle toolkit nearby.
Rechargeable USB-C Models
2025 sees a surge in USB-C models with lithium-ion packs lasting 60–90 minutes per charge—perfect for six-tank fishrooms. They usually offer three flow rates, LED work lights, and a reverse-pump output to shoot waste straight into a garden hose. Budget accordingly; these cost three times more than analog but zero back-breaking siphoning forever.
Key Siphon Features to Nail Down Before Buying
Flow Rate Balance
Think Goldilocks: too slow, you give up halfway; too fast, you drain 50 % of your water before half the substrate is clean. Rule of thumb: aim for 1.5–2 gallons per minute for every 50 gallons of tank volume. Multi-tank keepers often own two diameters: 9 mm for nano, 16 mm for showpiece.
Tube Length & Depth Compatibility
Stooping is the enemy of consistency. Measure aquarium height + stand to floor + 12-inch elbow buffer. If you’re keeping African cichlids in a 36-inch-tall 125-gallon, you’ll regret a 20-inch tube. Extension kits exist, but factory-fit gives better seal integrity.
Gravel Guard & Suction Cages
Sharp python headers can suck up curious snails or juvenile fish. Mesh gravel guards create laminar flow, preventing casualties while still lifting organic muck. Detachable designs allow instant removal of snail shells or plant debris if a blockage occurs.
Material Quality & FDA-Stamped Tubing
Cheap PVC can leach plasticizers at higher temps. Look for BPA-free, FDA-approved vinyl or medical-grade silicone rated 40–140 °F. Silicone feels soft, resists kinks, and has memory—returning to round even after being coiled in a bucket overnight.
Hydro-Lock Shutoff Valves
Valves near the business end prevent accidental floods when you pause to Instagram your scarlet badis. Quarter-turn designs won’t fatigue thumbs. Double-check gasket availability—most 2025 kits include spares in neon colors for quick visual inspection.
Built-In Water Conditioner Dispenser
Emerging tech integrates a mini venturi chamber that auto-doses de-chlorinator the second new water enters the tank. Overdosing is minimal if you use liquid conditioners; tab-style conditioners may clog the injector. Handy, but not deal-breaking.
Matching Siphon Size to Aquarium Dimensions
A 5-gallon nano craves surgical precision. Utilize a 2-foot micro tube with an adjustable pinch clamp; the smallest gravel will shoot up half an inch and settle back clean. Conversely, a 180-gallon predator aquascape requires a full 50-foot Python to reach a laundry sink—anything shorter and you end up hoisting five-gallon buckets like medieval milkmaids.
For intermediate community tanks (20–55 gallons), the sweet spot is 3–4 feet of tubing and a 2.5 cm nozzle. Oversizing just empties the aquarium faster, while downsizing elongates cleaning to the point of weekend sabotage. Always dry-fit the siphon before the first use—you can trim garden-hose style attachments, but never assume “standard” truly is.
Gravel Care Without Bullying Beneficial Bacteria
Good siphoning is a dance, not a demolition derby. Mature tanks house nitrifying bacteria on every surface, but the highest concentration lies inside the top inch of substrate—not deeper. The trick is angling the nozzle at 45°, rolling mid-gravel rather than plunging vertically. Use circular motions so each granule flips once, bacteria stay attached, and detritus shoots skyward. If you see cloudy puffs of gray, you’re doing it right. If you see clear water but gravel flying everywhere, you’ve gone too deep and gutted your biofilter.
Weekly or bi-weekly mini touch-ups of 15 % water volume keep colonies intact. Deep vac every six months, then replenish mulm-free substrate in small batches over a week’s span to repopulate. Skipping the vacuum altogether breeds cyanobacterial mats—but going overboard is a beginner’s cliché disaster.
Deep Sand Beds vs. Fine Gravel: Siphon Strategies
Deep Sand Beds
Sand beds deeper than 2½ inches stratify into aerobic, micro-aerobic, and anaerobic layers. Over-agitation pulls sulfuric pockets to the surface, gassing fish in minutes. Opt for battery wave cleaners with surface skimming plates that hover ¼ inch above the sand. Move in tight figure-eights, letting calcium carbonate grains settle like snowfall while detritus floats up.
Fine Gravel
Fine gravel (2–4 mm) is forgiving. Angle the vacuum mouth at 30°, pause every 4 inches like a barista tapping espresso. Detritus lifts, gravel tumbles, but grit weight causes most to fall back. If pebbles lodge in the nozzle mid-flow, a gentle thumb over the hose end increases pressure just enough to flush the obstruction without losing prime.
De-Chlorination on Autopilot: Inline Conditioner Injectors
Traditionally, hobbyists fumble with measuring caps the moment the cold tap roars to life. Inline venturi injectors claim to conquer this chaos. They’re simple diaphragm pumps—municipal water hits a constriction, drops pressure, and draws liquid conditioner via capillary inlet. Dial in flow rate (siphon vs. fill) and concentration (drops per gallon) using labeled rings.
Accuracy holds steady at city-water PSI 45–65, but drops at rural well systems under 40 PSI. In these cases, pre-conditioning in a bucket is safer. Venturi units do sharpen refill time—turning a 30-minute ordeal into a seamless 7-minute sprint. Clean the nylon membrane monthly with a 1:1 white-vinegar soak to prevent calcification clogging.
Controlling Flow Rate for Stress-Free Cleaning
In slow-motion aquascapes packed with shrimp or fry, one rogue current can trigger molt failure or whirlpools. Attach an inline ball-valve just below the nozzle; a quarter twist throttles flow from fire hose to Italian espresso. Purchase surgical-grade valve packs—cheap plastic versions crack under chlorinated hard water heat cycles.
Another zero-tech trick is kinking the hose with a wooden clothespin. When you need both hands to adjust a plant that drifted, squeeze the clothespin; release to resume. Pro-tip: coat the hose exterior with a strip of electrical tape where you plan to kink repeatedly. The layered tape distributes pressure, extending hose lifespan sixfold.
Avoiding Common Siphon Pitfalls
First-time users prime incorrectly—either remove the entire nozzle to start the siphon and fish tiny air bubbles into the hose, or they gulp aquarium water by mouth. The former kills the prime mid-clean; the latter is unsanitary and risks cross-tank contamination.
Second pitfall: forgetting temperature sync. Dumping 65 °F tap water into a tropical 80 °F tank sends fish into shock. Use a digital thermometer at the faucet; match within 1 °F. The final sin is parking the siphon too long in one spot; you’ll excavate craters and unseat rooted swords. Remember: slow, steady, and systematic like mowing lawn stripes.
Maintenance and Sterilization Routines
Post-session, unravel the entire hose and flush with scalding tap water for two minutes. Buildup biofilm feels slimy—if that persists, run a thin bottle brush coated with 3% hydrogen peroxide followed by double rinse. For golden-colored silicone hoses, avoid bleach—chloramine residue tints permanently. Sterilize nozzle heads in simmering 210 °F water for 5 minutes; polymer plastics warp above 225 °F. Dry coils by hanging vertically with clothespins—any trapped moisture invites black mold that rinses opaque gray into your next tank rescue.
Every three months, unscrew check-valves and swap O-rings lightly lubricated with food-grade silicone grease, preventing micro-cracks. Mark each accessory with colored nail polish stripes—one color per tank, eliminating cross-contamination horror stories.
How to Train Shy Fish to Cooperate With Siphon Sessions
Fish aren’t born evil; they simply see an inch-wide black snake racing through their skyline. Begin by clamping a hose to the glass where water movement is minimal. Start the session without vacuuming to let odor molecules precede your entrance. Offer a pinch of frozen spirulina on the opposite side—favorite foods equal positive reinforcement. Within three weeks, your Rams will swim to the siphon for handouts, making the nozzle another piece of movable décor.
Dimming the overhead LEDs by 15 % reduces reflectivity that freaks out open-water swimmers like rainbows. Finally, consider prefacing each session with two taps on the lid—a conditioned response that signals feeding. Within six repetitions, my celestial pearl danios school at the hinge, politely waiting for the watery taxi.
Going Green: Water-Saving Tactics for Water-Changing Day
Large water changes are sustainable if you evolve into a greywater wizard. Route the siphon hose to flowerbeds or potted veggies—fish waste equals diluted liquid fertilizer. Tomatoes and cucumbers love nitrates; just keep dog-discouraging plants like hot peppers absent because dogs sip fish-tank runoff like energy drinks.
For apartment dwellers, park a five-gallon bucket with a submersible pump that recirculates waste through a carbon-bag filter for 24 hours. Returns can flush toilets—nutrient neutrality without odors. This macro-level water consciousness curbs 30 % household waste turnover annually.
Emergency Uses: Instant Water Removal During Power Outages
When hurricanes knock out pumps, a siphon reincarnates as an emergency wastewater evacuation lifeline. Insert nozzle at substrate level, and let gravity create a controlled cascade into a lower-level floor drain or sink. Mark the hose with painter’s tape every foot for accurate volume tracking—10 feet of ⅝-inch hose holds about 1.5 gallons. Swap batteries in electric models ahead of storm season; lithium-ion holds charge for up to nine months in storage.
Smart Accessories That Elevate the Siphon Experience
Magno-Mount Hose Guides: Rare-earth magnets clamp to glass braces, guiding the hose in perfect arcs without kinking—no more DIY PVC racks.
Glow-in-the-dark Flow Indicators: Tiny translucent beads spin visibly at 3 mm/s flow. Adjust valve until bead spins just fast enough—visual confirmation for neon-tetra safe suction.
Preparing for 2025’s Next-Gen Developments
Wave-pulse nozzle patents have hit the USPTO desk—think submersible jet fans pulsing 50 ms bursts to resuspend detritus before capture. Early beta units integrate IoT sensors logging nitrate changes in real time to your smartphone. Expect price tags under $85 by the holiday release window, feeding pet-app-enabled routines alongside lighting software.
Another groundbreaking leap forward involves algae-scrubber siphon combos. Post-vacuum water hits a spiral algae reactor clipped to the hose outflow—green algae metabolize dissolved organics, capturing nitrates before water reaches the drain. Less environmental guilt, more tech bragging rights.
Frequently Asked Questions
1. Can I use the same siphon for both freshwater and saltwater tanks?
Yes—provided you sterilize and dry the unit between uses to avoid cross-contamination. Salt creep inside the tube is harmless when flushed.
2. How often should I replace my siphon hose?
With weekly use, expect a 3–4-year lifespan for vinyl and 6+ years for silicone. Cracks, cloudiness, or mold signal replacement.
3. Will tiny shrimp fry get sucked into the hose?
Mesh gravel guards or sponge-covered intake tips protect micro-fauna. Aim the flow at fry-safe levels—under 1 L/min.
4. Is boiling silicone tubing safe for sterilization?
Brief 3–5 minute boiling is safe; sustained heat over 225 °F can warp thinner walls. Stick to hydrogen-peroxide follow-up rinses for longevity.
5. How do I fix a siphon that loses prime mid-way?
Check all connections for air leaks, ensure the tube is submerged, and—for pump models—clear impeller obstructions like plant leaves.
6. Can I run tap water directly into the aquarium without my Aqueon siphon?
Highly risky. Temperature, chlorine, and pH shocks can occur. Always temperature-match and de-chlorinate before direct refill.
7. Does the gravel guard reduce suction efficiency?
Marginally—about 5 %. The trade-off in livestock safety is well worth the slight flow reduction.
8. Why does my sand bed look “muddy” right after siphoning?
Hyperfine particles stirred upward resettle in 15–30 minutes. Avoid repeated passes; turbulence should clear naturally.
9. Is an electric gravel cleaner safe around axolotls?
Yes, if flow is throttled and the device stays above substrate level. Their slime coat tolerates gentle electric vibrations better than aggressive agitation.
10. Do USB-C rechargeable models need proprietary cables?
Most comply with universal USB-C PD spec; any 5 V/2 A brick or phone charger works. Packing a spare cable ensures mobile-phone habits apply to your aquatic life.