Bluelab 2.77EC Solution Sachets (30) Shipping A grat selection of smells

A grat selection of smells at a reasonable price from Aroma Prestige at a keen price

Gold Label Hydro-Coco 60/40 the only RHP approved hydro-coco mix substrate This Bullet-Proof mix simply is the best mix of the highest quality Coco coir and the unique Hydrocorn irregular clay-pebbles that offers the best of both worlds

Prime conventional aluminium

COGr Vega ensures healthy and strong plants that produce long

-Eliminates up to 95% of salts and heavy metals

Bluelab 2.77EC Solution Sachets (30) Shipping A grat selection of smellsBluelab'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.