Hydroponic Question

I have a NFT system and in the bottom of the tubes there is a light brown dust like algae (??). When you move you hand over it it moves like dust. It is strange stuff but is now also attaching itself to the roots of my plants. I have researched online and think it is possibly Mustard Algae???? I use Oxy Plus to control algae growth but it has NIL effect on this light brown stuff.

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1 Comment To "Hydroponic Question"

#1 Comment By GKH_Susan On 12/11/2021 @ 3:08 am

It could be biofilms or algae, both of which should be removed. Here is more:

https://extension.umn.edu/how/small-scale-hydroponics#food-safety-in-hydroponic-systems-2645810 ^[1]

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[1] https://extension.umn.edu/how/small-scale-hydroponics#food-safety-in-hydroponic-systems-2645810: https://extension.umn.edu/how/small-scale-hydroponics#food-safety-in-hydroponic-systems-2645810

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