

Highly concentrated phosphoric acid (81%) solution, perfect for adjusting the pH of hydroponic nutrient solutions.
Discreet packaging and protected
Delivery 24 to 48 hours - Free from € 100
Exchange for 30 days - 2 year warranty
pH control is crucial in hydroponics to ensure optimal nutrient absorption. A nutrient solution should maintain an ideal pH between 5.8 and 6.2 for healthy plant growth.
Growth Technology’s pH Down contains 81% phosphoric acid (H₃PO₄), allowing for effective pH reduction in irrigation water. Due to its high concentration, it should be used with caution.
Concentration: 81% phosphoric acid
Volume: 250 mL
Essential for hydroponic pH regulation
Improves nutrient uptake efficiency
Also available in 1L and 5L
Balances pH in nutrient solutions
Enhances nutrient availability for plants
Highly concentrated formula, requiring only small doses
Hydroponic and aeroponic systems
Crops requiring precise pH control
Use with fertilizers and nutrient solutions