Main centres: | 1-3 business days |
Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
All PH meters has to be re-calibrated in the following conditions:
Three types of PH tester buffer powder are available:
Please be advised that the price is for ONE sachet of any types, NOT the package of three. Please write the quantities of sachets of each type your ordered in "Note to the seller" while checking out. Otherwise it's default to our choice to send.
Should you want to buy our PH testers, please check OUR SELLING LIST and bid it, "Add to cart" makes different small and light items purchased in one order with no extra shipping cost.