This is the 30mL size of the H2Blue eco formula (equal to 3, 10mL bottles), a reagent which can be used to measure the concentration of dissolved H2 gas (mg/L-ppm) in hydrogen-rich water. When the drops are placed into water containing dissolved molecular hydrogen, the blue drops turn clear. One 30mL bottle contains approximately 1000 drops (total number of tests will vary depending on average H2 concentration). Price per 30mL bottle is 64.95. Includes graduated beaker. Standard shipping for retail orders shipped to US locations is FREE via USPS Priority (1-3 business days typical). Secure order processing is done via Paypal...No Paypal Account is Required.....select "pay with credit card" option at checkout.
INTERNATIONAL SHIPPING: At this time we ship retail orders of H2Blue only to the contiguous 48 US states, Alaska & Hawaii via USPS Priority. Please contact us for orders to international locations.