Test Tube pH Pens stocked Uses Include:

Uses Include:

Heavy-duty spill tray: Protects your flooring from water and nutrient spills

Seedlings: Reduce plant food dosage by 50%

Odors are removed quickly and effectively via this simple HVAC

Weight (lb): 13

Test Tube pH Pens stocked Uses Include:Fits standard test tubes 16 x 50 mm or larger. Highly stable and accurate readings with a large LCD display. Designed for simple one hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize some other non standard buffers as well. Features hold function, and auto power off with low battery indicator. General Purpose Glass Probe: EPA compliant for labs and wine Penetration Probe: for food & soil Flat Tip