Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs) When cultivating fruiting and flowering

When cultivating fruiting and flowering plants in soil

We’ve taken Mother Nature’s best naturally occurring elements and other components and purified and refined them into a superlative one-shot addition for satisfyingly big yields in your garden

Mother Earth® Coco + Perlite creates the perfect growing environment

13 ft acid/alkali resistant dosing tube

Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs) When cultivating fruiting and floweringpH 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.""