Test Tube (5ml screw top)

$5.00

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Use this 5 ml test tube to get your ratios right every time when testing with our Fent Strips! Simply pour your water into this test tube, dilute your substance, and dip your strip in! This is the accurate measurement of water for 50 mg of crystal or powdered substance.

Please read the instructions carefully before using our Fent Strips!

SKU: 5ml-test-tube Category: Tags: , , ,