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Old 08-26-2010, 10:23 PM
NorEastFla NorEastFla is offline
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Join Date: Aug 2010
Location: North East Florida
Posts: 68
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Hey dlove, you can buy the pH down at almost any garden center and save on the shipping it would cost online. Home depot carries the one I mentioned:

Green Air Products 32 fluid ounces pH Down, for Adjusting pH in Hydroponic Systems Model # 93302 Internet # 202020504

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Each product you use will move your pH. It would be wise to adjust your pH in a separate container to the proper pH *before* adding it to your main system.

I do mine in easy to carry 2 gallon jugs. Once you have the measurements for one container, (like 15ml of this, or maybe only 10ml...), per/container, then it speeds up the mixing by allowing you to just measure each one without testing every container.

I do this where I test the first jug of each batch for the proper amounts to add and then just put that amount in each jug with a graduated beaker.

The extra hydroton will keep that light out for you. The algae will disappear once it has no light.

Good luck!
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