This is very easy to use, just dissolve amount listed on the jar in at least a half a cup of water and pour in your sump.

Pros: Easy to use, maintains pH at correct level

Cons: None

This is a good marine buffer and it dissolves easily.

Pros: Good buffer; easy to dose

Cons: none

My friend always uses this after a water change. Healthy for the fish. Maintains ph levels great.

Pros: helpful

Cons: none

I have used this in my sw tank. It is easy to do and helps keep ph at right level.

Pros: maintains ph

Cons: none

Easily dissolved and can be used without going over the desired ph level.

Pros: Good ph health

Cons: none