Test Tube pH Pens appetizer Broad-spectrum SPF 50+ protects against

Broad-spectrum SPF 50+ protects against both UVA and UVB rays

Your cat will love the taste of our holistic cat food

a pure and potent source of energy derived from sustainably sourced coconuts

Convenient 6-pack: Ideal for entertaining

Test Tube pH Pens appetizer Broad-spectrum SPF 50+ protects againstFits 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