Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.
This kit includes:
(5) pH 4.01 buffer solution sachets • HI70004P
(5) pH 7.01 buffer solution sachets • HI70007P
(5) General cleaning solution sachets • HI700661P