We are develop our pH paper from single set colour in Leaves  from to multy color pH range in single strips form with various range up to 1-14. It will be shown at a time four colour with various color range which is pest on the Box color chart. Take it and test it.

We are develop our pH paper from single set colour in Leaves  from to multy color pH range in single strips form with various range up to 1-14. It will be shown at a time four colour with various color range which is pest on the Box color chart. Take it and test it.