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Old 07-15-2009, 11:02 PM #1
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COCO PH--------5.8 or 6.3????

I have been hearing way too many different things. Let this thread settle the differences.

I currently water at around 6.0 with canna coco with GH h3ads formula +molasses and bat guano

Hydro shop guys tell me to bump it to 6.3

I have seen on here some people saying 6.5-6.8 for coco.


WHAT ARE YOU USING???????
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Old 07-15-2009, 11:07 PM #2
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5.8 - 6.1
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Old 07-15-2009, 11:09 PM #3
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5.8 - 6.1
Same here
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Old 07-15-2009, 11:11 PM #4
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I was having slight mag defs running the Lucas formula at 6. I bumped it to 6.5 and I'm good to go now.
So, 6.5 for me.
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Old 07-16-2009, 12:55 AM #5
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i run mine at 5.8-60 with h@g nutrient. it says to run this ph in coco and 6.3-6.5 hydro on the nutrient guide thingy.
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Old 07-16-2009, 01:53 AM #6
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6.0... Test PH BEFORE you add nutrients. Nutrients can throw the PH off so you should always PH before you add any nutrients. Once I knew how much acid to add to a 5 gal bucket of water it was easy from there on out, I only had to test PH every once in a great while just to make sure. Oh and I was using connosuir, but I think this trend will run the same for all
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Old 07-16-2009, 07:42 AM #7
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ideally, ph should drift over range wherein plants can assimilate different nutes @ different ph's. this is cation exchange capacity, or ability of electrical charges to permeate various barriers.

gh flora nova will keep it buffered in the range of 6.0-6.3. can always go up or down to permit certain nutes in @ certain times.
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Old 07-16-2009, 08:17 AM #8
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at the moment i am liking a drift between 5.7 & 6.2
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Old 07-16-2009, 01:18 PM #9
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ideally, ph should drift over range wherein plants can assimilate different nutes @ different ph's.

this is cation exchange capacity, or ability of electrical charges to piggy-bach on each other, or permeate various barriers.

in this imaginary garden, never check ph of fresh nutes or run-off.

gh flora nova will keep it buffered in the range of 6.0-6.3. can always go up or down to permit certain nutes in @ certain times.

if started @ 5.8, and gets to 6.2-6.5 in a week, have at least tried to permit all nutes access to plant @ their critical path.

also, different plant may react different to varying ph's. know your cultivar(s) and adjust accordingly.

hope this helps. enjoy your garden!
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at the moment i am liking a drift between 5.7 & 6.2
Do any of you guys use an air stone in your rez? I was planning on letting my PH drift up, but I added one and my PH shoots back up to 8 in 1 day and I need to add more PH down. I had always heard this was a good thing to add to increase oxygen in the water, but wasnt sure if that only applied to hydro systems.
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Old 07-16-2009, 01:45 PM #10
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Try this:

[for flowering]
pH on the nutrients for weeks 1 and 2 -- 5.6-5.8
pH on the nutrients for weeks 3 and 4 -- 6.0-6.4
pH for the rest of the run -- 5.6-5.8

or don't; its just a suggestion
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