Hanna pH4 Buffer Solution 500ml gloves Case: 192 blocks

Case: 192 blocks

THE CLIMATE MANAGER™ THE ULTIMATE IN GROW ROOM AUTOMATION

These are ideal for cleaning dishes

Model # PL-221

Hanna pH4 Buffer Solution 500ml gloves Case: 192 blocksHanna 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