I'm on day 41 of flowering and many of my fan leafs are turning yellow/ crisping. I've heard many people say not to trim anything and vice versa. I've already trimmed some of the dead crisping leafs but should I also trim the yellowing fan leafs blocking newer growth? Does anyone agree with this article I'm about to cut & paste?

Leaves that have reached their final size and are ageing will stop producing chlorophyll and start changing to a lighter color, often yellowing and showing purple petioles (leaf stems). This is when the leaves' capacity to produce sugars starts to diminish, so they are the ones to take out of the way to allow Sunlight to fall on the younger leaves that are producing at a higher rate. The older leaves, even though larger, are no longer very productive once they are not dark green anymore. By the time they start looking pale or discolored, they are not contributing anything to the plant at all. Obviously, the lower leaves are the oldest and the first to age. Old leaves can be removed at any time they are shading younger ones, but try to never remove a leaf in its expanding stage because it is producing at full power

I agree with the artical but I bet you will find that there are a lot of people on here that disagree. My thinking is that if it's dead it is not needed and is only a hinderance to the plant. I have also heard that it is a good idea to trim off smaller fan leaves if they are blocking a large bud mass below it (If the leaf cannot be moved out of the way) I am actually trying out this theory on some right now, sort of a controlled test. and from the looks of it at half way through flowering I would say that trimming off a few sugar leaves here and there to give more light to developing bud sites down below is a good thing. I think that you shouldn't get too carried away though for sure. hope this helps. there are a lot of other opinions out there though and it really comes down to what you think works best for you. peace.

What he said.

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Psyclone

It's perfectly ok to trim fan leaves this late into flower if they are already dying off. Trimming healthy fan leaves that are blocking light from getting to clusters of buds is also ok.

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Thanks yall I feel alot better about cutting on my babies now

I always trim mine.
In fact i suppose you could say near the end of the flowering cycle my plants have a skinhead leaf haircut

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cut half of the leaf off, and then a week later cut off the rest. Cutting the whole leaf off at once during flowering will take attention away from producing buds

Interesting never heard that but can't hurt I'll try it

I don't agree with that as you just stress the plant twice on one leaf and having trimmed in half leaves can lead to disease.
I always make a clean on the leafs stem as near as possible to the main stem

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You're wrong and i disagree with that. disease normally sets in an exposed wound on a stem not a leaf. and yes trim the leaf completely off nearest to the main stem at the END of the week. Its not stressing the plant twice, its not stressing the plant AT ALL instead of once. Otherwise, why would I even bother?