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Ok, thanks, maybe this pythium problem has come back to bite me again. I didn't recognise it as same thing because it was upper growth this time not lower growth and the roots looked ok. Last time I got over it with H2O2 as per AL B Fuct, H2O2 50 % strength @ 1ml/L every 3-4 days. That seemed...

PH is 6.0 I had two plants in soil pots, and 4 plants in hydro, about 2 weeks ago they all started to go down hill, all at about the same time with the same symptoms in the photos. Roots out the bottom of the hydro pots are white (I already run sterile hydro). So whatever is causing it affected...

Temps are 18-25degrees. humidity is around 60%. Airflow is good with inlet and extraction fans. I have been growing in exactly same environment with exactly same strain (N.L from 00 seeds) with exactly the same nutrients for years and this problem just came on suddenly. It was also badly...

Hi, I got this problem killing my babies and it's just getting worse. I suspected Broad or Russet mites but I've looked on underside of leaves with a microscope and can't see any and I've been spraying with eco-neem daily and it's still getting worse. Could it be phytoplasma or tomato mosaic...

Ok, yeh, I think that's what it is looking at other pictures online. So should I just increase H2O2 to try and keep on top of it? Currently 2ml/10L of 50% every 3 days. Or use bleach instead? Water temps are too high 25degC but not much I can do about that. I could put bigger air pump in...

PH is always 5.8 to 6.2

Can anyone help me identify what could be going wrong here. Starts on lower shaded leaves, especially after switch to 12:12. Indoor Hydro grow in expanded clay. This is typical how it affects the leaves but it spreads and can eventually kill whole branches This is a different plant, but still...

I'm thinking about placing an order with Herbies seeds. Up till now I've grown Northern Lights from 00 Seeds which I like because of short flower period, about 6-7 weeks. And Northern Lights from Pyramid seeds, bit longer flower period, 8 weeks, but little bit denser buds and probably a little...

They look great, what strain is that?

Ok, I have transplanted into final recirculating system with expanded clay already. But was worried this was first sign of some root rot before even begun because I've been struggling with root problems in early clones for about the last year. Prior to that I never had any root problems. Last...

I soaked the rockwool in solution was about 6PH and EC of 5 before I took the cuttings, then I shook most of the water out of the rockwool (with a few wrist flick) before I inserted the cuttings. After that didn't water at all until they felt a bit dry at day 7 and no roots showing yet. Then...

I don't think the blocks are upside down, there is a hole in the top for the new cutting to go into, but no hole on the bottom. I'm using expanded clay so will try transplanting them into that straight away.

Thanks, I will put them on a screen as well to get more airflow below. I have flicked the water out, they were almost dry.

Help!!! New clones, roots start turning brown within a day or two after they emerge out of the rockwool. The roots of the clone on the left looked very similar to the roots on the clone on the right only yesterday. But after only one extra day the roots start going brown. Any suggestions on how...

Thanks, I've been growing for decades without any root problems, but just in the last year or so getting root problems with young clones which looks like it starts just after they have rooted. It's been driving me nuts!!!

Help!!! New clones, roots start turning brown within a day or two after they emerge out of the rockwool. The roots of the clone on the left looked very similar to the roots on the clone on the right only yesterday. But after only one extra day the roots start going brown. Any suggestions on...