Haven't started yet just want to get it right. Seedlings are germinating from today. Do you think at quarter strength our PPM meter should then read 850 that seems far to high.
Does that mean I would need to buy bottled water because that PPM in tap water is standard in the area PS. Just goes to show the shit they put in scheme water
Only new to the hydro scene our tap water here is 0600 ppm. If my seedlings need to have a ppm of 100 - 250 What then should my ppm meter read? Might be a silly question but I want to get this right.:joint: I will be using a flow through system with rockwool as the medium.