Put on Personal Protective Equipment (PPE); especially gloves and goggles.
Add water, base nutrients and additives to your tank.
Use a pH meter or indicator strips to determine the pH of the solution.
If the pH is above 6.5, add Indica pH DOWN, If the pH is below 5.5 add Indica pH UP.
Dilute in water first to ensure that only a very small amount is applied at one time. It is very easy to over-apply pH correction products.
Dispense with a pipette, do not pour from the bottle directly into the tank.
After applying a small amount mix the solution thoroughly, re-check the pH, and apply another small amount if required.
Monitor the pH of your fertigation solution daily and adjust as necessary.
Potassium 26% (as K2O)
Keep out of reach of children.