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Plants in hydroponic systems function best with a nutrient solution pH of between 5.8 up to 6.2.
pH UP contains potassium hydroxide (KOH). This is a very caustic liquid and should be handled with extreme care. This product, at 25%, is stronger than some competing products. Always check the label for best value.
Health & Safety:
This liquid needs safe and careful handling:
- Always wear gloves and eye protection when handling aggressive liquids
- Always store in locked cupboards
- KEEP AWAY FROM CHILDREN
- pH Up and pH DOWN should be diluted before use – ask for the Growth Technology leaflet on pH and Conductivity