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- #3,901
Here's what she looks like yesterday! We're nearly caught up lol....
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- Thread starter ProfessorFlora
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From looking at the leaves, I think that at 7g/gallon you either have a pH problem or lockout. I don't think you should bump the grams any more without trying something else first, like slurry testing pH or checking the PPM of the runoff.
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- #3,903
That was my next port of call. The soil is cheap and cheerful but the Tropicanna Banana looked fantastic in it so I don't think that it's that. I'll do a slurry test tomorrow and will check the runoff on the next watering
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- #3,904
Sorry Shed. I've only just seen this comment. You've seen the plants again since this comment and can see that there are calcium and magnesium issues more clearly now. The clawing could be attributed to Nitrogen toxicity but there are other more pressing issues. Personally I'm startimg to think that she's just a bit of a dick but I've not given up on trying to tart her up yet
♪ Don't
Give up! ♫
Give up! ♫
DrCannaCanadian
Well-Known Member
Here's what she looks like yesterday! We're nearly caught up lol....
I'm with @InTheShed - 7g/Gal is likely too much, as those fan leaves are curling downward and have signs of overfertilization.
I see the #noflushclub signs in the signature
--- but are you going to flush her with some pH balanced feed at maybe 5g/Gal to reset your medium?Is this the plant that got the red light too?
You're probably still safe, but watch for banannas and pollen sacs right?
If I'm wrong, please disregard this post!
In the meantime, I'll be over in the FAQ section "helping" some other lucky folks
Ya still got my back @InTheShed ?
Just curious from your post if you've read either of those two links? Neither of them relate to what you're recommending.
Sorry, I don't think I know what you're talking about.
DrCannaCanadian
Well-Known Member
No - I haven't read those two links yet - but I will one day I'm sure - so you are probably right - those links may not relate to flushing out a medium to help with overfeeding or pH drift.
But since I've already read a bunch of your stuff - I'm pretty sure those links are accurate.
When I ask if you've still got my back - I'm saying if you think my advice is off track - then I'm hoping you will correct me here so I will have learned something.
I haven't read through all of this grow yet either - I'm just going by the pics of the plant and the leaves.
The links relate to what many people on the web call "flushing," which is feeding your plant plain water for the last x weeks to remove nutes from the buds, in an attempt to make the harvest taste better. It actually isn't possible to do. But clearing out the medium of excess salts and unused ions can be very helpful on the other hand! And pH drift is definitely a thing. That's why I asked if the Professor had slurry tested his medium or checked the PPM of runoff to see if it was really high.
Oh sorry, it was the use of the word "still" that threw me off. We're definitely on the same page here!
One thing to keep in mind is that there is no need to pH your flush water (if you are rinsing the soil), since you're going to push it out with nute water immediately afterward.
DrCannaCanadian
Well-Known Member
The links relate to what many people on the web call "flushing," which is feeding your plant plain water for the last x weeks to remove nutes from the buds, in an attempt to make the harvest taste better. It actually isn't possible to do. But clearing out the medium of excess salts and unused ions can be very helpful on the other hand! And pH drift is definitely a thing. That's why I asked if the Professor had slurry tested his medium or checked the PPM of runoff to see if it was really high.
Oh sorry, it was the use of the word "still" that threw me off. We're definitely on the same page here!
One thing to keep in mind is that there is no need to pH your flush water (if you are rinsing the soil), since you're going to push it out with nute water immediately afterward.
Gotcha
I'm definitely in the #noflushclub then - which means I'll really enjoy those links of yours.
Interesting - let me think through this -
As for pHing flush water - I think in peat and coco, we usually push a feed after so we don't leave the root zone "empty" and mess up the osmotic pressure, starve the plant, etc - it's like a "medium" reset.
But in soil, we can elect to flush near the pH of the soil on a "watering" day - then "feed" again a few days later.
I know soil buffers the water, so if we don't pH the water we should be okay - unless it is alkaline water causing the drift in the first place - which is like adding fuel to fire.
I definitely agree with you - for most of the circumstances out there, we do not need to pH the flush water - except for the rare edge cases.
I've always thought to pH the flush water just to be safe - I'll rethink that now.
Good one - I love the technical chat!
Nothing wrong with pH'ing the flush water, but if you have a 10 gallon pot that you're running 30 gallons of water through, it can be daunting.
In terms of feeding a few days later, I strongly recommend against it. Leaving your plants in an empty medium while you wait for all that flush water to get used up can create some deficiencies really quickly. Rinse and feed all in one go would be my recommendation.
In terms of feeding a few days later, I strongly recommend against it. Leaving your plants in an empty medium while you wait for all that flush water to get used up can create some deficiencies really quickly. Rinse and feed all in one go would be my recommendation.
DrCannaCanadian
Well-Known Member
Cool! I'm actually hanging out in the "FAQ" section and the "Pests n Problems" section, so this chat ties right into that
"Rinse and Feed All In One Go" is what I'll start recommending.
Thanks again.
- Thread starter
- #3,913
The slurry test results are in. The PH is coming in at 6.8 so maybe I should ad the next few feeds at a lower PH of say 6.0?
Yep! I think it was about 4 days before I noticed. Could have been 3 though. I haven't checked but we're still good for nanas and sacks
hopefully not. Like Shed said. 10 gallon pots are a bitch to flush. It's a long and tedious process so hopefully I can just knock the ph down a little with normal watering. As for the 5g feed. She's in full flower so putting her back down to a veg strength feed is probably not a good idea. I might lower it slightly though.
Since I can't keep track of all your crazy soils, does this one have any pH buffering ingredients like lime? I don't know if it's the same stuff you used for the bodies out back, but good quality soil includes it in the mix.
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- #3,915
I doubt it. It looks like it doesn't have much variety in the way of ingredients. There's no information on the product and many reviews claim that the seller is a scam artist. That's why I got it. There are some plus points though. It has an excellent spongy and airy feel to it. The Tropicanna Banana's roots were quite impressive so I know that it's good for something at least.
You said that you'd never mention "out back"
No no no I meant the out back of Australia!
I would water at 6.0, though from my research it shouldn't make a damn bit of difference. @Virgin ground soaked her ill-pH'd pot in some solution last grow and it seemed to improve the plant. Just a thought.
Somebody has to keep him in business.
I would water at 6.0, though from my research it shouldn't make a damn bit of difference. @Virgin ground soaked her ill-pH'd pot in some solution last grow and it seemed to improve the plant. Just a thought.
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- #3,917
Con artists have kids too! Seriously though I bought it because it was only £2 for 40ltrs. There was probably only 30ltrs in the bag though because he's a con artist. When you say VG soaked her pot in solution. Do you mean the whole pot complete with flowering plant? I'd have to fill the bath tub to soak this pot.
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- #3,920
That's was quick! Hey VG. How's you? Have you submerged an entire pot in solution at any point in your life? If so what size was the pot? I'm having possible lock out issues and was wondering if you had any out of the box ideas
