#1
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pH Probe Calibration Solution?
Does anywhere in Calgary sell pH probe calibration solution?
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#2
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there is a calibration solution called ph7, im pretty sure thats the name. its sold at plant and hydroponic stores.
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#3
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its ph 7.0 by general hydroponics. less than 10 bucks.
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#4
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Thanks! I just phoned Quick Grow, and they have it. Since my bus passes right by there on the way home from work, that works out perfectly.
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