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They are under hps but it’s the mainly the ones near the intake fans so I would assume that is the coldest part not the hottest. It’s never happened before. If it was under nutes then should I go three quarters instead of half? Or go max strength?

It’s not a constant drip it’s in a timer. It comes on about 5 times a day. There is some run off. Yes it’s tap water. They probably get about 2 litres a day over 5 feeds

I thought it might have been a toxicity of some sort. It was one flush with quarter strength nutes and calmag. They are back on the proper feed now.

6 weeks from light flip. I have been growing like this for last 5 years and never had a problem. I flushed about 4 days ago with qaurter strength feed and cal mag. But since then it seems to have gotten slightly worse. It’s on the canopy leaves only not on the sugar leaves or underneath.

I don’t know what’s coming out the bottom as I don’t have a ec pen. That’s why I have been conservative with the feed. Half strength is canna A & B at 2 mill per litre instead of the recommended 4 mil per litre. Just wondering with them being 6 weeks into flower maybe they are short of...

I’m 6 weeks into flower and my leaves are discolouring and looking burnt and spotty. I’m growing in 100% coco and using a dripper system to freed. I’m using canna coco A and B at half strength. My ph is 6. The temps are 27.5c when lights are on and 21c when off.

I have got to honest mate I literally don’t have a clue what all them things are. It sounds way more complicated than I thought it was guna be. I knew I was guna have to put some effort in but didn’t think I needed a degree in botany

I went with half strength because I thought the spotting was from over nuting or to much of something

When you say 1-3 gallon do you mean per pot? That’s like 8 to 12 litres of water

Thankyou il give it a shot. Il report back in a week.

it’s 100% coco you are right. I’m using canna co co A&B, rhizoctonia and cannazime all at half strength. They look dry because I seen a few gnats flying about so a let them dry. Probably water them every 3 days. The lights are set at 400w now. Can turn them up or down.

Hello I’m new to growing. I’m having a problem with stunted growth and leaf spots and yellowing. I’m growing 6 white widow in a 3x6 tent indoor. The tent temperature is 28c. My water with nutrients added is ph 6 any help would be appreciated.