just a quick question, in bish's post in the sticky section he says to add epson salt in veg. im at 19 days in veg shell i add some epson salt?

'Epsom Salts' - only add or spray with it if your plants look like they need it - otherwise don't - it won't do them any good.

I didn't add any this time - there was no evident sign of magnesium deficiency (which the epsoms would address). As far as I can gather from the 'Knowledge Base' a sign of deficiency to look for is 'interveinal chlorosis' - yellowing between the veins of the leaves

All the best

e4spellings

Epsom salts are also used to treat sulphur deficiency, the first signs are pale young leaves and stunted growth.

Nice one hudson, learning as I go here - it's so rewarding slowly learning to 'read' the plants

I think I was ok on all the micronutrients from using Rockdust

Thanks for posting on signs of Sulpher deficiency. I was so puzzled when I first joined cos I didn't know how to read the plants - I think it's coming slowly now

Cheers

A

Know just what you mean, i'm getting better but i should read more before i get a deficiency instead of waiting till i got one then stressing tryna figure it out and running round the local chemists tryna find it!

Epsom salts are used to treat magnesium deficiencies.

Espom Salts are a source of Sulphur, too.

When was the last time you saw a Sulpher deficiency on here?

I know, I know... But in case anyone ever does - ¡Epsoms is what you need!

I've had Sulphur defiency before, at least thats what i thought it was. I did use Epsoms for it....people laugh and say its for magnesium def...but there is a clue in the name Magnesium Sulphate!!!!!!!!!

Hey good to see this old nutshell back again. Don't you just love it Bish

Yeah i had what i thought was sulphur deficiency on my current grow after the switch to 12/12, a dose of epsoms sorted it out in a few days. It's cool if you wanna take a look at my log and correct my diagnosis if you think it was wrong.

It looked like you had a little magnesium deficiency and not sulphur which is why the Epsom sorted it out. There also appears to be a little nitrogen deficiency as well but that looking at the images comes and goes. I tend to up grow towards the end and lower bloom to none in the last week or so. The taste is better that way.

Hey Om, don't think you can be looking at the same pic as i was talking about, i've attached one pic that show's what i thought was sulphur def. There was some mg def around the same time but in the pic i've attached the new growth is pale not the interveinal yellowing i thought was associated with mg?

Can i just check what you said about altering your feed at the end of the grow, i was under the impression that near harvest you should drop grow and up bloom? Is that a pretty standard routine?

On the attached picture I would say this is not a sulphur deficiency but more like a nitro deficiency. As for lowering grow and increasing bloom at the end of the grow is a mistake imho.

I agree there is some nitro def showing on the lower older leaves, but i didn't think nitro affected the young leaves, i'll have to do more reading up, thanks for the food for thought.

The plant will draw nutrients from itself to grow, so basically its eating itself from the bottom up if that makes sense.

human error