Hanna pH4 Buffer Solution 500ml grodan Double finished edges to retain

Double finished edges to retain long-lasting mop shape

Buffered Organically - Pure is ready to go with our patented and sustainable organic buffering process

while helping to reduce maintenance time and minimize run-outs

Compostable Round Plate - 10" /White / 3 Compartment (pack of 50)

Hanna pH4 Buffer Solution 500ml grodan Double finished edges to retainHanna HI7004L pH4 Buffer Solution 500ml HI7004L is a premium quality pH 4. 01 calibration solution. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hannas line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. More about Hanna pH 4. 01