60ml Syringe with plastic needle for EC/pH tests Grodan 60ml Syringe with plastic needle for EC/pH tests (AD207079)The perfect tool for watering Rockwool. The syringe with a needle made from 1/4" tubing allows you to easily take a water sample from your Rockwool. If the water sample shows too high pH, it is time to water again. Measures from 5 - 60 ml.
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Metal Needles for 60CC Syringe (No USPS) Grodan Metal Needles for 60CC Syringe (AD207057)Used by the pros to take water samples deep inside a Grodan stonewool block or slab for better pH and EC analysis. Fits any standard Luer-Lock plastic syringe.
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MSRP each $6.95
... — Ships from HF: OR, CA, CO, MI, PA USA....more info.