Canister Filter vs Hang-on-Back: Which Is Right for You?
Canister filter vs hang-on-back filter — compare filtration power, tank size, cost, and ease of use to find the right choice for your aquarium setup.
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Pond & aquarium articles
Useful care ideas for the habitats and aquatic life you love. Keep your own water tests and care history together with a free AquaCubby account.
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Koi Types Guide: 12 Varieties & How to Choose
Explore 12 popular koi varieties with a quick-pick comparison, identification tips, and buying advice to help you choose the right koi for your pond.
How to Winter-Proof Your Koi Pond in 6 Steps
Protect your koi this winter with 6 expert steps covering water quality, aeration, de-icers, feeding changes, debris removal, and cold-weather monitoring.
Is Your Aquarium Water Safe? 5 Parameters to Test
Test these 5 aquarium water parameters before adding fish. Learn safe ranges, what's toxic, and how to fix problems fast. Your fish depend on it.
How AquaCubby Helps You Track Your Aquarium Like a Pro
Discover how AquaCubby helps aquarium and pond keepers log water tests, track fish history, and get AI answers — all in one place. Start today.
Fishless vs Fish-In Cycling: Which Method Works Best?
Compare fishless cycling and fish-in cycling for new aquariums. Learn pros, cons, timelines, and which method is safest and most effective for your tank.
What Does pH Mean for Your Fish's Health?
Learn what pH means for fish health, what levels are safe or harmful, and how to fix pH problems in your aquarium before they hurt your fish.
Why Testing Your KH Matters for Tank Health
Learn why KH testing is essential for a healthy aquarium, how it affects pH stability, and what to do when your carbonate hardness is too high or too low.
7 Essential Steps to Build a Thriving Freshwater Tank
Build a healthy freshwater tank with 7 expert steps covering cycling, water chemistry, stocking, and maintenance to avoid new tank syndrome.