Red Sea's KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers if your reef aquarium to an exceptionally high resolution of +/- 0.025 meq/l (0.07 dKH). This test kit enables the accurate dosing of Red Sea's Reef Foundation B supplement (Buffer) which is part of the complete Red Sea Reef Care program. This kit includes durable, chemical resistant plastic case and analytical grade glass vials. The high precision titrator included inside is easy-to-use single handedly. This kit includes materials for 75 tests and a 100 ml bottle of Reef foundation B.