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Old 02-01-2009, 12:46 AM
Ron Ron is offline
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Join Date: Jan 2009
Posts: 1,285

I would first check the pH of your water with no nutrient solution to see how low it is. You may have to let your water air out for 24 hours to let the chloride evaporate before you can use it.
Yes Sodium Hydroxide is ok.
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