Your product definitely makes a difference in what grows.. I do have about an 80% decrease in nuisance algae.
Nualgi Trial Update - Week #4
It's definitely slowly regaining control of my algae problem after a cold winter and having to keep blankets over my system for over a month to keep it warm causing very low gas exchange ...
Nualgi Trial Update - Week #3
Well my uv sterilizer went out last week ... I have a new one coming but Nualgi is still doing its thing..