7 Ways to Reduce the Water Flow of Your Aquarium Filter
Is your aquarium filter current too strong? Learn 7 effective methods to reduce water flow and protect your fish from stress, including DIY solutions and equipment modifications.
Read GuideEquipment
Find the right gear for your aquarium. In-depth reviews and buying guides for filters, heaters, lighting, tanks, test kits, and more.
Filters
Best Aquarium Filters 2026: Top Picks for Every Tank Size
Find the best aquarium filter for your tank size. From nano tanks to 60-gallon setups, these are the top-rated filters currently available with active Amazon links.
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Best Aquarium Filters for Large Tanks (55+ Gallons) 2026
The best aquarium filters for large tanks reviewed and compared. Canister and power filters for 55-250+ gallon aquariums including Fluval FX4, OASE BioMaster, Fluval 407, and more.
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Best Biological Filter Media: Guide & Reviews (2026)
Find the best biological filter media for your aquarium. Reviews of ceramic rings, sintered glass, and pumice media to support beneficial bacteria colonies.
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Best Canister Filters for Aquariums: 5 Filters Compared
We compared the Fluval FX4, OASE BioMaster Thermo, Fluval 407, SunSun HW-302, and PondForse to find the best canister filter for every tank size and budget. Detailed specs, pros and cons, and a complete buying guide.
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Best HOB Protein Skimmer Reviews: Top 5 Hang-On-Back Models
Comprehensive reviews of the best hang-on-back protein skimmers for reef tanks. Compare top HOB skimmers from Coralife, Reef Octopus, IOAOI, and Marine Color for tanks up to 105 gallons.
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Best Nano Protein Skimmer: Top Picks for Small Reef Tanks
Find the best nano protein skimmer for reef tanks under 35 gallons. Reviews of the NF-1, ESHOPPS Nano, and Hydor SlimSkim with buying guide and setup tips.
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Best Protein Skimmer for 200 Gallon Tank: Top Picks Compared
Honest recommendations for the best protein skimmers for 200-gallon reef tanks. Community-vetted picks from Reef Octopus, IceCap, Simplicity, and Tunze with detailed reviews.
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Does a Protein Skimmer Benefit a Reef Tank?
Learn why protein skimmers are essential for reef aquariums. Discover how foam fractionation removes organic waste, improves water clarity, and promotes healthier corals and fish.
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How to Set Up a Fish Tank Filter: Complete Installation Guide
Step-by-step instructions for installing all five aquarium filter types—HOB, canister, sponge, internal, and undergravel. Covers priming, safety, and first-run troubleshooting.
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How to Set Up a Protein Skimmer
Complete guide to setting up protein skimmers for reef aquariums. Learn about nano skimmers, HOB models, and in-sump installations with troubleshooting tips.
Read GuideTanks
Best 10 Gallon Fish Tank Kit for Beginners (2026 Reviews)
Find the best 10 gallon fish tank kit for beginners. We review 4 top starter kits including a rimless all-in-one, Aqueon, Tetra, and GloFish to help you choose.
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Best 20 Gallon Fish Tank Kit: Buyer's Guide & Reviews (2026)
Find the best 20 gallon fish tank kit for your home or office. Reviews of Tetra, Aqueon, and GloFish kits with a comprehensive buyer's guide.
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Best 55-Gallon Fish Tank Stands: 5 Stands Compared
We compared the Verano, 4ever2buy, VOWNER, and two farmhouse cabinet stands to find the best 55-gallon aquarium stand for every budget and style. Weight capacity, moisture resistance, storage, and built-in power compared.
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Best All-In-One Saltwater Aquarium Kits: 5 AIO Tanks Compared
We compared the top all-in-one saltwater aquarium kits from Coralife, Fluval, and Innovative Marine. Detailed reviews covering lighting, filtration, build quality, and what you still need to buy.
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Best Self-Cleaning Fish Tanks 2026: Honest Reviews + A DIY Alternative
Honest reviews of self-cleaning fish tanks available in 2026 — what works, what doesn't, and why building your own self-sustaining aquarium is a better option.
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Best Small Fish Tanks: Top Nano Aquarium Kits Reviewed
Find the best small fish tank for your home or office. We review 4 top nano aquarium kits from NICREW, Marineland, Aqueon, and URUQ with built-in filtration and LED lighting.
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Bow Front vs Flat Aquariums: Which One to Buy?
Compare bow front and flat front aquariums to find the best choice for your home. Learn about viewing angles, photography, maintenance differences, costs, and which tank shape suits beginners and experienced aquarists.
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Glass vs Acrylic Fish Tank: The Differences You Need to Know
Compare glass and acrylic aquariums to find the best material for your fish tank. Learn about weight, clarity, durability, cost, and customization options for both materials.
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The Best Rimless Fish Tanks: 5 Stylish Aquariums for Any Room
Discover the best rimless fish tanks for a modern, sleek aquarium display. Expert reviews of frameless aquariums from 5 to 50+ gallons.
Read GuideHeaters & Chillers
Best Aquarium Chillers: Keep the Perfect Water Temperature (2026)
The best aquarium chiller for most tanks is the BAOSHISHAN 1/10 HP — quiet, compact, and digitally controlled. Full reviews of top refrigeration chillers with buying guide.
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How to Choose and Use an Aquarium Heater: Types, Sizing, and Setup
Complete guide to aquarium heaters. Learn the main heater types, how to size a heater for your tank, proper installation steps, safety precautions, and top product picks for freshwater and saltwater tanks.
Read GuideLighting
Best LED Lights for Coral Reef Tanks: Honest Picks for Every Budget
The reef community's most trusted LED lights for growing corals, from premium fixtures like Radion and Kessil to budget picks like Noopsyche and NICREW that actually deliver results.
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The Best LED Lights for Freshwater Aquariums (2026 Guide)
We compared the best LED aquarium lights for freshwater tanks — from planted setups to fish-only displays. Fluval Plant 3.0, Finnex Planted+ HLC, Hygger 957, and NICREW ClassicLED Plus reviewed with specs, pros, cons, and which tanks each light fits best.
Read GuideTest Kits
Best Aquarium Monitoring System for Freshwater Tanks in 2026
The best freshwater aquarium monitoring systems compared — from smart WiFi multi-parameter monitors to temperature controllers, digital thermometers, and manual test kits. Reviews of Kactoily, Inkbird, Seneye, API, and VIVOSUN.
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Best Saltwater Aquarium Test Kits for Reef and Fish-Only Tanks
Compare the best saltwater aquarium test kits for reef and FOWLR tanks. Reviews of API Master Kits, Hanna Checkers, refractometers, and digital meters — plus a testing schedule and buying guide.
Read GuideGeneral
Aquarium Circulation Pump Guide: Types, Sizing, and Placement
Complete guide to aquarium circulation pumps covering powerheads vs. wavemakers, GPH sizing by tank size, optimal placement for planted and reef tanks, and how to eliminate dead spots.
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Aquarium Reverse Osmosis Systems: How They Work and Why You Need One
Learn how reverse osmosis water purification works and why RO water is considered essential for marine, reef, and planted freshwater aquariums.
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Best Aquarium Air Pump for Your Tank (2026 Reviews)
Compare the best aquarium air pumps for quiet operation and reliable aeration. Side-by-side reviews of top-rated pumps for tanks from 2 to 200 gallons.
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Best Automatic Fish Feeders for Aquariums in 2026
The best automatic fish feeders compared for vacation, daily use, and smart home setups. Reviews of Petbank, DXOPHIEX WiFi, Aoyar, and FISHNOSH feeders with moisture-proofing, portion control, and battery life breakdowns.
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Best RODI Systems for Aquarium: Top 8 Picks Reviewed
Find the best RO/DI system for your aquarium. Expert reviews of reverse osmosis systems for saltwater and freshwater tanks, from budget-friendly to premium options.
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Calcium Reactors for Reef Aquariums: Complete Guide
Learn how calcium reactors work, when you need one for your reef tank, and how they compare to two-part dosing and kalkwasser. Includes setup tips and buying criteria.
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Choosing the Right Sand for Your Freshwater Aquarium
Discover the best sand for freshwater aquariums. Learn the advantages, drawbacks, and top product recommendations for aquarium sand substrate.
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How Aquarium Water Pumps Work
Learn how aquarium water pumps function, including impeller mechanics, direct drive vs magnetic drive, DC vs AC pumps, and how to choose the right pump for your tank.
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How to Choose an Aquarium UV Sterilizer: The 5 Best Reviewed
Find the best aquarium UV sterilizer for your tank. Expert reviews of hang-on, submersible, and inline UV sterilizers with complete buying guide.
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