pH Up 250ml

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.