Quote Originally Posted by stinkyattic
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So what is your maximum sustained temp during lights on?
And your minimum at 'night'? (the difference between these is important)
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28C Max daytime 20C Min nighttime

I will have to use the bug bomb because I'm looking closely at one of those pix of the underside of the leaves and I can see lots of tiny black dots.

I now think, with the help of everyone, that I have a combination of problems.

1. Bugs
2. Over fert

for sure. And Yes I am using Hydroton clay

Cheers