This kit is ideal for testing for p H level with p H indicator solution & then adjusting the level as required. It will test within the range 6.0 to 7.6 & then give an accurate indication of whether you need to use the special 37ml PUSH UP solution or PUSH DOWN solution that is included. The kit
Includes:: 250 tests & it is a 3 bottle test. Use in Freshwater or Saltwater.