green slime on rockwool

mogie

mogie

Well-Known Member
The green slime you have on your rockwool is called Algae.
Photo contributorOldpink


Algae needs light and nutrients to live, it will spread to your reservoir and will block feed lines. Because of rockwools unique vertical 'tube-like' structure, which takes up nutes via capillary action, and pulls air into the medium as the nutes drain outward, a heavy buildup of algae can effectively block this breathing action. To prevent this from happening, use light-proof and water-proof material to cover your rockwool, for example black/white panda film or thick black bin liners.
 
C

CubeCap

Active Member
mogie said:
The green slime you have on your rockwool is called Algae.
Photo contributorOldpink


Algae needs light and nutrients to live, it will spread to your reservoir and will block feed lines. Because of rockwools unique vertical 'tube-like' structure, which takes up nutes via capillary action, and pulls air into the medium as the nutes drain outward, a heavy buildup of algae can effectively block this breathing action. To prevent this from happening, use light-proof and water-proof material to cover your rockwool, for example black/white panda film or thick black bin liners.
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I came across this thread and thought I would give you guys the heads up on Algae and Fungus gnat elimintaion, everything you need to know is located at www.cubecap.ca

It will save your shit!

Peace & enjoy
 
Al B. Fuct

Al B. Fuct

once had a dog named
An easy way to prevent algae formation on RW cubes is simply not to allow them to be saturated. RW has a very strong capillary action as mogie said.


Keeping RW cubes in a puddle of water as pictured is a sure way to grow algae and kill plants.
 
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