Grodan

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Grodan 60ML Syringe with plastic needle for EC/pH tests

The perfect tool for watering Rockwool. The syringe with a needle made from 1/4in tubing allows you ..

$5.45

Grodan Metal Needles for 60CC Syringe

Used by the pros to take water samples deep inside a Grodan stonewool block or slab for better pH an..

$6.95