It is always good to keep track of various chemical levels to make sure your fish are safe. This kit worked great for me. Easy to use.

Pros: Good test kit

Cons: none

This is a great testing kit. It's cheaper then a lot of them, and you've got to make such your water stays balanced or everyone dies.

Pros: keeps fish healthy, realitively cheap.

Cons: none

This stuff works great, it releases the right amount of chemicals for your tank, and isn't a hassle to clean up if you spill it

Pros: Right amount of chemicals

Cons: None

Many people are saying how this is a wonderful product. I however have never used it in my aquarium but might give it a try.

Pros: Keeps you up to date on chemicals in your fish tank

Cons: To much can cause problems for your aquarium

i used something like this stuff for my fish and it killed my fish i was so sad but i will always love him or her never new

Pros: nothing

Cons: nothing