smokingjoe
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- Joined
- Nov 5, 2008
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Is it safe to use Sodium Bisulphate readily available in pool shops to reduce res pH?
leafminer said:sodium bisulphate is a salt, not an acid or base. Use an acid if you want pH to go down. Hydrochloric acid is the most usual. Phosphoric acid works and also adds phosphorus giving great bloom growth. Be careful to monitor pH properly...
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