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Old 07-20-2011, 02:38 PM
crad crad is offline
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Join Date: May 2011
Posts: 68
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I am not changing my weekly and am adding 3 to 4 gallons a day I am how ever watching my PPM to maintain a level of nutrients to equal the mix I am after. I am changing it out this week which is 2 weeks and am experiencing no ill effects from not changing it out. I even have peppers growing.
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