Water Testing & Adjusting
Digital pH Meter
•• $89.95
Bluelab PH Pen
•• $179.95
Dutch Treat pH papers
•• $16.95
Alfreds pH Papers
•• $8.95
Future Harvest pH Up
••1L $19.95 ••4L $44.95
Future Harvest pH Down
••1L $19.95 ••4L $44.95
pH Up
••1 gallon $34.95
pH Down
••1 gallon $34.95
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