Keep testing with
these accessories

Expansion Kit (No Reagent)

Expansion Kit

$199.99

$199.99 USDAdd to cart

Potency Testing Plus (No Reagent)

Potency Testing Plus (No Reagent)

$399.99Save $100

Expansion Kit 2 (No Reagent)

Expansion Kit (No Reagent)

$199.99

$199.99 USDAdd to cart

tCheck Refill Set 1

Expansion Kit Refill Set

$49.99

$49.99 USDAdd to cart

tCheck Reagent Refill

Reagent Refill

$119.99

$119.99 USDAdd to cart

tCheck Shirt design

tCheck Shirt

$19.99