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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Maximum 16 amp rating
It is ready to use straight from the box
Filter chamber with activated carbon
Use 10ml per 182 litres (40 gallons)
Add 5 drops of NO3-2 test fluid and shake again
Hanna pH Liquid 7.0 & 4.0 Testers Maximum 16 amp ratingThe pH 4. 01 & 7. 01 buffer solutions in quick and easy to use 20ml sachets are the most popular buffers used before analysing samples. Ideal for those requiring an accurate acid or neutral reading. The single dose sachets are really handy with each sealed sachet holding just the right amount of solution. Each time a meter or electrode is calibrated using the Hanna sachets, it is like using a newly opened bottle of solution. 5 x 20ml sachets of pH 4.
