I have now got 60kg of alphagrog and added the spraybar i made with a 400 micron filter sock over it to catch any fine muck particles.
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https://www.youtube.com/watch?v=AZWA7GvJSJs
The barbs are all growing well and I should have more time to make videos from now on. I have been a bit lazy recently.
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https://www.youtube.com/watch?v=XnHIp9c7Z3I