Opinions on this

Bud man 43 said:

It is coco/ perlite 70/30 with play sand topping-
And i do use bti occasionally- it just seems that the gnats show up inside as soon as it gets cold here. I don’t have a gnat problem- just a preventative measure

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Oh, it looks like mud or something. Maybe that's from the sand I don't know. Since it's coco you might want to water it more evenly and not just in the center. The bti or gnats wouldn't be the problem. My guess is something with the medium.

DinGrogu said:

Oh, it looks like mud or something. Maybe that's from the sand I don't know. Since it's coco you might want to water it more evenly and not just in the center. The bti or gnats wouldn't be the problem. My guess is something with the medium.

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It gets totally soaked- the sand is a little depressed around the plant so it stays wet looking longer than the edges.
Like 1 1/2 inches of sand topping on these.
I am currently giving them 1/2 gallon each 2x daily so that is 25% of the container size which is pretty standard- no?

Also- i am not one to go chasing every little thing and constantly changing things- i just thought it was possibly the beginning of a problem and I was wanting some opinions-

your plant looks really nice. maybe a touch high on N but she looks very happy

Some eye candy from a couple harvests ago-
Dolato on top- wedding cake monster bud on bottom

Bud man 43 said:

That leaf was off of the second pic down- this is a white widow clone

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Nice plant, still with my original answer.

Good luck!

Have you tested the run off ec?
That's my 1st call with any problems using coco and nutrients.