Nitrite can cause significant damage to aquatic inhabitants or even kill them.
Your fish tank’s water looks somewhat cloudy and at this point, mechanical filtration seems like a good idea.
Surely many aquarists have heard that chlorine will leave faucet water after some time.
The best water for aquarium use should be clean and contain as little contaminants as possible, right?
Here’s a scenario for you: You take care of your aquarium by the book but suddenly there’s a strange black fuzzy growth that’s covering everything.
There’s an ongoing debate among fishkeepers about whether Tetra’s SafeStart and API’s Quick Start even work.