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Thread: Ph Keeps Rising! Please Help!!!

  1. #1
    Join Date
    Feb 2008

    Exclamation Ph Keeps Rising! Please Help!!!

    Hello, I am running a recirculating top feed drip system in six of the 5 gallon buckets with pure hydroton and a 10 gallon reservoir with ice to keep it cool. Feeding goes on all day with 2 minutes every 10 to help it drain. I am using the three part advanced nutrients with silica, that fulsomething acid, nectarsweet, calmag, wet betty, and supervit. I have a CO2 system. Change the water out regularly. I am using RO water.

    Here's the problem. A week ago my ph began to rise, I figured it was because the plants were getting root bound, so I transplanted them into their own 5 gallon buckets with a little bit of nutriboost. They seemed to do ok, but the ph kept fluctuating. Must be root rot right? So I used some of the Zone from dutchmaster (like peroxide). Still no change. I had a clog, fixed that (don't know why but I thought that could have been affecting ph, and then maybe the metal strainers I put in to prevent the clogs are affecting it?) Anyways, simplest answer is easiest. Calibrated my ph meter, it was off. Changed out all the water. Remixed everything. Seemed to have it fixed. The ph was staying at 5.6 or 5.7 where I put it! So I discontinued the Zone applications and as I am about to go into flowering, thought Id help bulk up the roots from the transplant with some tarantuala and iguana (the fungi stuff u use with it) as well as some hygrozyme.

    Yet now my ph is back to rising to 6.1/6.2 in the course of a few hours!!! I even bought a second ph meter, calibrated them both and they both confirm that the ph is now rising.

    My suspicions:
    1) The hygrozyme is dissolving some of the dead root mass which is raising the ph.
    2) The cultures are raising the ph as they get started.
    3) I am running my 6 at around 700 ppm. Adding around 10 tsp of micro, 10 of bloom, 10 of grow, 30 total (as recommended by advanced's website for light feeding a 10 gallon reservoir), to my 10 gallon reservoir, then all the additives and excellerant junk to bring it up where it needs to be. Am I not adding enough of the basic 3 part solution, the big guys are going through that in a day or two, and that is rising the ph? But by as much as 5.5 to 6.2 in a half a day? And the ppm's don't seem to be changing much.

    Sorry for the long e-mail but I am stuck!!!!!! ALL HELP IS APPRECIATED AND WILL RECEIVE GOOD KARMA!

  2. #2
    Join Date
    May 2006


    BGH Forum Administrator

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