4free
(superposter)
4/10/01 02:20 PM
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AAACCCIDDIC! NOOOO!
[Post#: 114885
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Well, I've got a new batch of seedlings going and today dedicated myself to find out the reason for the "yellowing" which has occured in the last week. I have never had problems with seedlings before, so I have been kind of confused with this situation! I have been very carefull of most variables, but for some reason I only checked the PH of the "run off" once so far...BIG MISTAKE!!! DONT "SLACK OFF" LIKE ME NEWBIES!
Today, I decided to flush one of them and check the PH...god damn...it was under 5.5! Holly shit, I don't know how this happened since I ALWAYS check the ph of my water and my soiless medium has never been this acidic..mabye these new peat pots I'm using.
Well, obviously I'm going to try and fix this problem...now to decide how to go about fixing it!
My tapwater (after chlorine has evaporated) is generally around 7.4 and I was thinking of flushing one of the seedlings with this high of pH water and testing the runoff which I want at least above 6, preferably a little higher. Whatever I do, I will do on only one plant at first, to ensure I'm doing the right thing for my plants health!
Should I try and change the PH more slowly...perhaps flushing now with a neutral solution, and then gradually diluting the medium with future "neutral" waterings...or is it better to immediatly attempt to make the medium more basic? Mabye I should add some dolomite lime to keep the soil from becoming super acidic after the neutral flushings...I just don't know, and I have a huge headache, no pot, and a shit load of school work to do...oh yeah, and these yellow seedlings on top of that!
Well any advice would be greatly appreceated. I would love to hear your techniques for raising the pH effectivly!
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PurpleDurban
(member)
4/10/01 02:57 PM
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Re: AAACCCIDDIC! NOOOO!
[Post#: 114896
/ re: 114885
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I don't have a whole lot of experience battling ph problems, but I have been adjusting my ph down of late to see if that is at the root of my nutrient problems. It seems to me that it would be better to adjust PH gradually so as not to shock the plants with a rapid fluctuation. I applied PH corrected water to all of my plants. My PH is (was) around 7.2, and I applied water with a PH of 6.0 to one of my plants-applying only once. Another I treated with water adjusted to about 6.5, but applied it twice. Though both seem to be improving, the one that I treated twice seems to be recovering a bit quicker/more dramatically. Of course, this could just be my imagination.
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4free
(superposter)
4/10/01 04:18 PM
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Re: AAACCCIDDIC! NOOOO!
[Post#: 114938
/ re: 114896
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Yes I have heard gradulal is good Durban, but I have also heard that it is okay to adjust immediatly, so PLEASE can some guru's comment soon!
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ICE_COLD
(veteran)
4/10/01 05:13 PM
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Re: AAACCCIDDIC! NOOOO!
[Post#: 114958
/ re: 114938
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Yes you can adjust immediately your ph...but you have to do it in multiples sequencials waterings. Let's say that the water running out of your pots is ph 5 and that you are growing in a soil mix. Now you make a water solution with a ph of 6. You flush the plants good with that solution. Half an our later you make a new water solution with a ph of 6.5 and you flush the plants again. Now your ph should be stabilized and your plants should not suffer...they will recover within the next few days.
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The_Spectre
(enthusiast)
4/11/01 05:52 AM
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Re: AAACCCIDDIC! NOOOO!
[Post#: 115154
/ re: 114885
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How are you doing 4free?..I finally found a post I wanted to respond to and Ice Cold beat me to it....He's right.
Less is more...
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4free
(superposter)
4/11/01 07:20 AM
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Re: AAACCCIDDIC! NOOOO!
[Post#: 115173
/ re: 115154
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Hey thanks alot Ice, Spec...there doing better already in just 14 hours since the flush, so looks like I found the problem with the little guys! Thanks again and for the newbies, be sure to check the PH of the water that runs through your medium, since extreme PH can lead to problems illustrated in this post! Peace.
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