Happy Harvest calibration fluid pH 4.0 terploc High Grade mixture of the

High Grade mixture of the elements of phosphorus and potassium

It’s a hassle-free way to cultivate your plants with confidence and ease

The nutrients in this formula support improved flavour

Rotatable quantum bars for more accurate lighting

PotSocks are great for growers cultivating long term crops or simply plants with a very aggressive root system

Happy Harvest calibration fluid pH 4.0 terploc High Grade mixture of theHappy Harvest Calibration Fluid pH 4. 0, the precision solution to keep your pH meter finely tuned for optimal performance in the cultivation of your prized plants. The calibration fluid is designed to ensure accuracy and reliability in every reading, allowing you to maintain the ideal pH levels critical for robust plant growth. Instructions for Use: Pour a small amount of calibration fluid into a clean container. Submerge the pH meter's probe into