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Routine maintenance guides for healthy aquariums.
3 of 3 articles

Cleaning an aquarium filter does not automatically cause a mini-cycle. Learn why ammonia or nitrite can appear after filter maintenance, how to identify the problem, and how to protect your biofilter while the tank stabilizes.

Water changes stress beginners out — and done wrong, they are the #1 reason fish get sick. Here is how to change water safely, without shocking your fish.

Weekly? Every two weeks? Monthly? The right water change schedule depends on stocking, plants and feeding. Here is how to find the rhythm your tank needs.