Bluelab® pH 4.0 Calibration Solution 250ml Trimming Coco-Wet lowers the surface tension

Coco-Wet lowers the surface tension between plant leaves and the products being sprayed on them

This liquid plant food supplies nutrients that your plants can access immediately

This natural organic based fish fertilizer is deodorized with natural wintergreen and won’t burn plants

Our EXTRACT

Bluelab® pH 4.0 Calibration Solution 250ml Trimming Coco-Wet lowers the surface tension"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."