Yeah bro...Light medium+ Distilled water+LED=definite need for CalMg.
Does your CalMg have Nitrogen, 1- 0- 0
I ask because, I ordered some, expecting to get 0- 0- 0, and got the other. Which I didn't even know existed.View attachment 685454
Yeah I got the one with Nitrogen 1-0-0... @Yeatster