Hi help needed

R

Rich11122

Member
Hi
I have 4 autos, 3 purple punch and 1 gorilla cookies, going very well until the other week when I started to see little brown spots so over the last week it’s got a lot worse ,
Viparspecter 2000xs
General hydroponics food at less then half strength,
Bio bizz light mix .
PH 6.3-6.6
Thanks for looking
 

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Rich11122 said:
Hi
I have 4 autos, 3 purple punch and 1 gorilla cookies, going very well until the other week when I started to see little brown spots so over the last week it’s got a lot worse ,
Viparspecter 2000xs
General hydroponics food at less then half strength,
Bio bizz light mix .
PH 6.3-6.6
Thanks for looking
Click to expand...

Looks like moisture stress related. Are you noticing it gets worse after the pots are dry?

Once the pots dry too much it’s harder to rehydrate.

For example let’s say 2l every 2 days. If that’s 10% too little over the days go by you’ll get dry pockets in the soil.

This can fool novice growers when they see adequate run off when actually it’s water just shooting through the medium.
 
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Nutty sKunK said:
Looks like moisture stress related. Are you noticing it gets worse after the pots are dry?

Once the pots dry too much it’s harder to rehydrate.

For example let’s say 2l every 2 days. If that’s 10% too little over the days go by you’ll get dry pockets in the soil.

This can fool novice growers when they see adequate run off when actually it’s water just shooting through the medium.
Click to expand...
Thanks for the reply, I give them 2l every 3 days I wait until completely dry then water ? Should I changed this
 
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Test run off ph/ppm/ec and compare it to what you are feeding, to get an idea of what may or going on.

make sure meters calibrated

oh I think that’s what last post said
 
OneMoreRip said:
Test run off ph/ppm/ec and compare it to what you are feeding, to get an idea of what may or going on.

make sure meters calibrated

oh I think that’s what last post said
Click to expand...

That’s only appropriate for coco/hydro. For soil it’s only a vague idea of what’s truly going on. And should only be measured if an issue has occurred and you are flushing your pot.

If you’ve ever flushed a plant properly you’ll note how the ppms go up even after the 3-4th flush of water. That’s because the salts take time to dissolve and then be carried down the soil and out the bottom.

Since salt collects at the bottom it can read high when in fact most of the soil in the pot is in a reasonable salinity level.

Again this is why it’s best to ignore unless plant is unhealthy like the OP
 
Nutty sKunK said:
That’s only appropriate for coco/hydro. For soil it’s only a vague idea of what’s truly going on. And should only be measured if an issue has occurred and you are flushing your pot.
Click to expand...

He is feeding GH nutes so it seems appropriate to me. When I Use soil and synthetic nutes it seems similar to coco/hydro to me.
 
Half strength of GH trio can mean a lot of different things. I’m getting best results out of half strength of their “light” schedule. If you haven’t gone to the website and looked at the current PDF, and you’re using the one on the bottle, it’s probably still too much.
 
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