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| Novice Gardener Join Date: Nov 2002
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quickie just mixed some final....just flush and distilled water..ph is 3.9.. would any one suggest raising ph to at least 5.5....3.9 seems very low.....directions are pretty vague..... thx for any help... ![]() | ||
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| | #2 | ||
| Senior Gardener Join Date: Sep 2002 Location: The Home Front on Terror
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![]() ![]() ![]() ![]() ![]() ![]() | optimal ph is 5.8 through out entire grow Charon | ||
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| | #4 | ||
| Seedling Join Date: Mar 2003 Location: Watchin' the buds grow
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![]() | What should I expect pH to do during final flush with plain pH 5.90 water? Is there a "normal" pH drift? I'm just a few days into my final flush in 5gallon bubblers and pH is going all over the place. Up to 6.8 one day, I adjust back to 5.9 then its 4.7 the next day. I think it's just user-error with my new pH meter, but knowing what "should" be happening to my pH during flush would be helpfull. ~Lez | ||
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| | #5 | ||
| Grand Master Gardener ![]() ![]() ![]() Join Date: Jun 2002 Location: The Cone of Silence
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | The ph will bounce all over the place during the flush. At least that's been my experience with it. I start mine at 5.5 & it usually goes up to 6.+ by the next day. I have had to adjust the ph during the flush as many as 3 times in a day to keep the ph balanced. Later. 86.
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| | #6 | ||
| Seedling Join Date: Mar 2003 Location: Watchin' the buds grow
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![]() | Thanks 86. I feel much better now. I *thought* I had read enough posts about flushing.... but for others out there doing a search on the subject.... Check and adjust pH frequently during a flush. Thanks again guys, Harvest is just around the corner! Weeee! | ||
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| | #7 | ||
| Seedling Join Date: Mar 2003 Location: Watchin' the buds grow
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![]() | Could anyone help me understand why we care about pH if it's just plain water for flushing? I thought we maintain pH in our res. so that nutrients don't become "locked out" and are not able to absorb into the plant. Since I'm using no nutrients in my flush, why care about pH? In practice, I can see what happens. I keep letting my pH drift down below 5.0 (only checking once per day) and I've got brown spots all over the top most leaves. What's making this happen? | ||
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| | #9 | ||
| Ultimate Gardener ![]() ![]() ![]() Join Date: Feb 2001 Location: The Growroom
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | I do a daily flush at 5.5 ph for 3 to 4 days then just run fresh for the last few.
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