physicsdude
Aquarium Advice Freak
Hi- I have a bottle of Matrix that I used before on a canister filter. So, its been inert for seevral months. My question is should I use or should it be pitched to the garbage heap? Here's some info on it:
http://www.petsmart.com/global/prod...=matrix&In=Fish&previousText=matrix&N=2023693
http://www.petsmart.com/global/prod...=matrix&In=Fish&previousText=matrix&N=2023693