You can not use the strips for anything ... they are junk.
Order the TF-100 + XL option.
NO more CYA!!! Until after you use a good test to confirm it is low or until after you complete the ShockLevelAndMAINTAIN Process
Order the TF-100 + XL option.
NO more CYA!!! Until after you use a good test to confirm it is low or until after you complete the ShockLevelAndMAINTAIN Process