DRAMM QAV Shut-Off Valve Black nutrient-combo For most healthy adults

For most healthy adults

We’ve developed these highly stable buffers to give you precise control over your pH

Can also be purchased as part of Fitting Kit (AH25017)

we recommend considering dedicated electric or non-electric sterilizers with more stable temperature and pressure control

Total CFU of microbes

DRAMM QAV Shut-Off Valve Black nutrient-combo For most healthy adultsDescription QAV Shut Off Features: Distinguished by its robust construction, the QAV Shut Off increases durability and longevity. Dramm's innovative patent pending design ingeniously integrates the ball and handle into a single molded piece, effectively eliminating the weak joint that traditionally connects the ball and the handle. This design aims to provide easy fingertip water control. A mere quarter turn of the handle will shut off the water,