Seachem Multi Test Marine pH & Alkalinity

Seachem Marine pH & Alkalinity  (MultiTest)

* 75 Tests.

* Marine or high pH freshwater

This test kit features a unique dye that has a pronounced colour change between 8.0 and 8.3 making it the easiest kit on the market to read in that critical range. Alkalinity may be read from the same sample in 0.5 meq/L increments.