Graduated Cylinder, 500 ml New Millenium Use Rock Resinator starting the

Use Rock Resinator starting the second week of flowering through harvest at a rate of 4mL/1Gal for lower EC's and up to 8mL/1Gal for higher EC's

Washes powdery mildew right off the plant

then put plants on it and reflect heat up through their pots and other containers

One of the original soilless mix components used to formulate professional mixes

True Liberty® Bags have an excellent aroma barrier

Graduated Cylinder, 500 ml New Millenium Use Rock Resinator starting theWhen precision is needed, Hydrofarms Measuring Cylinders are up to the task. Made of durable, translucent polypropylene, each cylinder offers measurements in milliliters using raised marking for easy reading. Measures in 5 ml increments.