Using sodium percarbonate to fight string algae

[MitchM]

Luck has nothing to do with it, flareyflan.
Algae is predictable and controllable.

 

[sissy]

I never understand those tests they do at pet stores .I go to a local small guy pet store and he does the tests and gives you a printout of all the tests and petsmart and others just tell you this or that or what ever they want .