pH control is essential in a hydroponic systemPlants in hydroponic systems function best with a nutrient solution pH of between 5.8 up to 6.2.Growth Technology has a full range of control solutions, essential for the proper management of nutrients in hydroponic systems. These products are manufactured using the purest and most concentrated sources available.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. 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 liquidsAlways store in locked cupboardsKEEP AWAY FROM CHILDRENpH UP and pH DOWN should be diluted before use – please see the link on the side of this page for Instruction on Handling Aggressive Liquids
