Green shit on my rock wool

There's some green shit starting to grow on my rock wool cubes....algae or mold???? Very very green

Would guess one or the other, pics would assist greatly in giving a definitive answer though.

Man, I wish I could help you, and I am sure someone will soon........ but 'Green Shit on my Rock Wool' sounds like the beginning of a great blues song..

333maxwell said:

Man, I wish I could help you, and I am sure someone will soon........ but 'Green Shit on my Rock Wool' sounds like the beginning of a great blues song..

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Ha ha, that's inspired dude!

I get green colouration on my soil tops in veg sometimes when the gap between waterings is long. Particularly from blue light. Not found it to be a problem. Sounds potentially a little more serious in rockwool. Hope you get it sorted.

Lmao I hope this doesnt turn out to be a blues song....I will get some a pic or 2

Looks yucky

Tha's normal, it's algae because it's exposed to light, cover it up and you won't have it any more, I use white paper plates cut in half with a hole in the center for the stem, enclosed pic.

Yup. Algae. cn

When I get it in soil grows I can just break the soil up and it disperses when I next water. Not really possibly with rock wool though. Now I see that the rock wool was just the starting point and it is in a full hydro pot, I can't see the harm in giving it a little scrub. Then cover it to prevent the light getting to it, like DeeTee said.