A test kit that’s easy to read, and tests all the parameters I need to know about
also,
clamp and hosing fixtures for tanks with bigger rims. I have the marineland 75g tank, and the inner rim takes up an extra 3/4 - 1” of the internal perimeter
Hey everyone,
I am working on a project that uses a ph probe. I know they need to be calibrated once and a while, but is it true the probe needs to be replaced often?