Test Tube pH Pens Please Select an Option::850067 | Test Tube pH Pen w/Penetration Probe and Dimensions of 13

and Dimensions of 13

Buckwheat is often grown to attract beneficial insects and as pasture for honey bees

Specially formulated for storing GroLine electrodes

this power station ensures a reliable and stable power supply without compromising your devices' safety

The Tomahawk Power Plate Compactor Polyurethane Paver Pad Kit is great for safe compaction of bricks

Test Tube pH Pens Please Select an Option::850067 | Test Tube pH Pen w/Penetration Probe and Dimensions of 13Fits 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