Bluelab pH 7.0 Solution Sachets (30) Shipping Available in 5 and 10

Available in 5 and 10 metre lengths

especially with the start

and hydroponic systems

Cal-Max™ calcium magnesium and iron During periods of high temperatures and accelerated growth

Bluelab pH 7.0 Solution Sachets (30) Shipping Available in 5 and 10Bluelab's 2. 77EC Conductivity Solution, pH 7. 0 and pH 4. 0 Calibration Solutions are now available in 20ml sachets. 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). The 2. 77EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC CF probe.