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the Uni-Slab is perfect for one large plant
when Piranha is used as a foliar spray or in the root zone
Although it has a slight scent when sniffed in the container
Lamp Sold Separately
you’re providing your plants what they need to give you a happier harvest day
Bluelab pH 7.0 Calibration Solution 500 ml Monterey the Uni-Slab is perfect forpH 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 Solutions should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.