URGENT HELP - ROOT PROBLEMS?

rkymtnman said:

you would be better off with smooth rocks in your net pots than rock wool and coco. that whole area in pic afther-1 looks like a breeding ground for root rot.

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Thanks for your recomendation. Yes, get 100% synthetic nutrients. I think I'm going to discard the plants and start again with coconut jiffy and pometine stone since you can't get leca here,

Well in that case, you need to copy what other successful growers are doing in your area. Do you have any vegetable growers or flower growers selling their produce in town? I would strike up a conversation with those type of people and see what they are using for medium and nutrients. You will get better advice there than you will here

correction: rkymtnman had some excellent advice

You can literally throw frozen water bottles in your res for lower temps or toss your pump in a mini fridge.

The second you see rot you need to make a tea, h202, bleach all that happy shit is last resort.