Growth Technology Conductivity Standard 300ml
Keeping your EC meter calibrated is important to ensure optimum condition for the plant. This solution of known EC is used to check and calibrate your meter. You should complete this on a regular basis to ensure the accuracy of your meter, this will ensure you keep your nutrient solution at the levels you require for your plants to be growing at optimum levels and be at the correct EC that you require.
pH Buffer 7 300ml
To ensure your pH meter is reading accurately use this Growth technology pH buffer. This solution is fixed at pH7 and when used regularly will ensure the ongoing accuracy of your meter giving you piece of mind that your nutrient solution is at the optimum levels that you require to achieve them bountiful yields.