7 Best Aquarium Heaters for Every Tank Size (5-100 Gal)
Compare 7 aquarium heaters by tank size, safety cut-offs and material, from a 10-watt betta heater to a 400-watt titanium heater for saltwater reefs.
Tim Rhodes October 26, 2026 13 min read Expert Water Filter, Softener & Heater Reviews
In-depth reviews and buying guides for water treatment systems. We do the testing and research so you can skip the guesswork.
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Latest Article Tim Rhodes October 26, 2026 13 min read
Tim Rhodes October 26, 2026 13 min read 
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Heaters
7 Best Aquarium Heaters for Every Tank Size and Water Type
Compare 7 aquarium heaters by tank size, safety cut-offs and material, from a 10-watt betta heater to a 400-watt titanium heater for saltwater reefs.
Filters
How to Choose a Water Screen Filter: Types, Mesh Sizes and Costs
A water screen filter traps sand before it clogs your drip line, pump or plumbing. Compare 4 types, pick the right mesh size and see prices from $12.05.
Filters
Water Treatment Tank Basics: Types, Sizes, Prices and Replacement
Which water treatment tank do you need? Compare mineral, brine, RO and retention tanks, read a 10 x 54 size, see real listed prices and swap one yourself.
Filters
10 Inch Water Filter Housings: How to Pick the Right Size and Fit
Slim or Big Blue? See which 10 inch water filter housing fits your cartridge, pipes and water pressure, what comes in the box, and real prices from $13.95.
Heaters
How Long for a Hot Water Heater to Heat Up? Times by Type and Size
How long for hot water heater to heat up? Gas tanks take 30 to 40 minutes, electric 60 to 90. See times by size, after a shower and when slow means trouble.
Bottles
How Tall Is a Water Bottle? Heights for Every Size, 8 to 40 oz
How tall is a water bottle? A standard 16.9 oz bottle is about 8 inches (20.3 cm). Get real heights for 8 to 40 oz bottles, widths and how to measure yours.
Filters
Kitchen Faucets with a Water Filter Built In: 7 Picks Compared
Shopping for kitchen faucets with a water filter built in? Compare 7 picks on filter life (up to 700 gallons), flow rate, NSF ratings and under-sink needs.
Filters
Fruit Filter Water Bottle Types, Costs and How to Use One
A fruit filter water bottle flavors water with fruit but won't purify it. Compare center-rod, bottom-loading and juicer types, from budget bottles to insulated steel.
Filters
10 Inch Water Filter Cartridges: 10 Picks for Every Housing Size
Compare 10 of the best 10 inch water filter cartridges for slim and Big Blue housings: sediment, carbon block and RO prefilters, matched to your water.
Bottles
Can I Bring an Empty Water Bottle on a Plane? What TSA Allows
Yes, you can bring an empty water bottle on a plane. Get the TSA rule, the ice mistake that gets bottles tossed, where to refill, and the gate checks to expect.
Filters
Will a Sand Filter Remove Iron From Pool Water? Only Some of It
Will a sand filter remove iron from pool water? Only once chlorine turns it into particles. See why iron slips through and the 5 steps that clear it out.
Filters
10 Best Saltwater Aquarium Canister Filters — Hands-On Reviews
Saltwater aquariums need more robust filtration than freshwater tanks. Here are 10 top-rated canister filters from Marineland, OASE, SunSun, Fluval, and Eheim.
Filters
Top 10 Bulk Activated Charcoal for Water Filtration
Need activated charcoal in bulk for your water filter system? Here are 10 top options — from granular coconut shell carbon to bamboo sticks and carbon block.
Heaters
Top 10 Battery Backups for Tankless Water Heaters
Power goes out, and suddenly your tankless water heater is useless. These 9 battery backup systems keep the hot water flowing when you need it most.
Filters
10 Best Coconut Shell Carbon Water Filters — Rated by Our Team
Coconut shell carbon is one of the most effective natural filter materials out there. These 10 filters use it to deliver seriously clean drinking water.
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