Calibration Buffer, pH 4.01 Hanna Light Kit Plants naturally absorb compounds from

Plants naturally absorb compounds from nutrients

Instant absorption

This product can be used from vegetating state all the way through flush

Its sleek metal design makes this box easy to mount and durable during all of your grow room endeavors

Calibration Buffer, pH 4.01 Hanna Light Kit Plants naturally absorb compounds fromHI 7004 1L pH 4. 01 Calibration Solution (1 L), 1 bottle HI 7004 1L is a premium quality pH 4. 01 calibration solution that has been dyed red for easy buffer identification. 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