[header] How to read ph strips [title] Make sure your strips test the range you need. [step] The ph scale covers a range of 14 numbers, where 7 is neutral. Lower numbers are more acidic, while higher numbers are more alkaline.
Some strips only test a portion of that spectrum, so make sure the strips you buy cover the ph levels you want to test for. [title] Read the box to determine how long to leave the strips in.