For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
The solution to be tested in the middle of drip test paper, compared with the standard color version of half a second later, namely, pH Value.
This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%
This paper need to be stored in the dark and dry place.
Suitable for all kinds of testing, laboratory / cosmetic testing / drinking water / saliva / urine, etc.
PH 1-14 color chart in each pack.