Hanna pH4 Buffer Solution 500ml grodan Compostable Round Plate - 10"

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

Unit weight: 21

Pre-drilled dripper stake holes for wetting up with drip irrigation

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

Hanna pH4 Buffer Solution 500ml grodan Compostable Round Plate - 10"Hanna 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