Product: A perfect way to quickly check that your ferment is in the ideal pH range. This handy pH strip roll has 100 applications and a range of 0-12 with 12 color indicators (single increments) for accuracy . The 0-12 pH range is perfect for all room temp ferments which should fall around the 3.0-4.5 mark. Also a great way to check water hardness to adjust ingredients accordingly for ferments such as water kefir. pH range: 0-12 (with single increment accuracy) perfect range with high accuracy for fermented products allows you to check that your ferment is in the ideal pH range (and know when it reaches that range) easy to read color indicator chart 75 applications quick and easy to use convenient storage case for pH roll Shipping: Shipping starts at $2.55. Shipped within 2 business days. International shipping available. International pricing varies based on weight and combined orders, starting at $6.00 for all international locations.