Bluelab pH 4.0 Calibration Solution 500ml Pots Free of any harmful pathogens

Free of any harmful pathogens thanks to a unique heat-treatment sterilization process

These glands are brought to their maximum potential and size using Terpinator along with a nutrient regimen

Double filtration system: filter basket and nozzle filter

XXXTractor 3 Bag Set

1x HookIT - Hooks for lighting

Bluelab pH 4.0 Calibration Solution 500ml Pots Free of any harmful pathogensBluelab pH 4. 0 Calibration Solution pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7. 0 first (buffer) then to pH 4. 0 (slope). Calibration Solution should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.