I ordered a soil tester, not arrived yet. Tryin to get my hands on some litmus paper as well seems nowhere around here sells it anymore though.

Think it may be possible I overfed them, and in fact started feeding way too early. You're right about the MG feed routine, the pack recommends 1.25ml spoon in a litre of water every 2-4 weeks.

Don't think I let the plants get too close, I've been over-cautious in fact. My flatmate has his almost touching the light, where as mine are a few inches. His look fine (and are bigger). I don't really want to do this as I work 24hr shifts and the rate its sprouting recently would worry me. Although my flatmate keeps an eye on them :thumbsup:

Can't see any black marks on the bottom of the leaves. Will try posting an updated pic later. cheers man
evilbeaver Reviewed by evilbeaver on . heat stress or nute problem? hello hello people, I recently started my first ever grow. So far its gone pretty well, but i have been very naive and am learning a lot about my plants every day. Over the past 2-3 days my plants have started getting little dark yellow-brown patches on them and I'm having trouble figuring out the problem, as these symptoms seem to point to various problems. I think it might be heat stress, as I am growing the plants in a cupboard which if I'm honest, is probably a bit small and may not Rating: 5