pH control is essential in a hydroponic system.

Plants in hydroponic systems function best with a nutrient solution pH of between 5.8 up to 6.2.

Bottled in black and red – the internationally accepted packaging colours for aggressive liquids. Full compliance with all health and safety regulations.

pH UP contains potassium hydroxide (KOH). This is a very caustic liquid and should be handled with extreme care. At 25% concentrate it 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 should be diluted before use

Please note due to this product containing an aggressive substance it is not available for delivery, available in store only.

• Control your pH levels
• For raising the pH of hydroponic nutrient solution
• Contains Potassium Hydroxide 25%
  

Please note due to this product containing an aggressive substance it is not available for delivery, available in store only.

• Handling-Aggressive-Liquids.pdf

Free delivery on orders over £60*
- UK Mainland only

Standard Delivery £4.95
- Heavy / Large item surcharge £2 per item
- 1-3 Days**
- UK Mainland only
Express Delivery £8.95*
- Next Working Day**
- UK Mainland only
Scottish Highlands £15.95*
- 2-5 Days**

*Can not be used with Heavy / Large items
**If ordered before 2pm cut off

Please See Delivery and Returns page for more details.