80 Strips PH Test Strip Aquarium Pond Water Testing PH Litmus Paper Antique Necklace model:hair curler roller

model:hair curler roller

Memory:512MB Nand flash

Thread Count: 300TC

Package included: 1 x Chest muscle Exercise Machine

Length: App

80 Strips PH Test Strip Aquarium Pond Water Testing PH Litmus Paper Antique Necklace model:hair curler rollerDIY Supplies: Plumbing Display Type: Digital With Backlight Or Not: No Paper Size: approx 45mm x 7mm (L x W) The scale reads from 1 to 14: 1 3 indicates a very acidic substance. 4 6 indicates an acidic substance. 7 indicates neutral. 8 11 indicates alkalinity. 12 14 indicates a very high level of alkalinity. PH 1 14 color chart in each pack. The test strip color changes must be matched with the pH scale color chart within about 15 seconds.