Hanna Hi7004L Buffer Ph 4 500Ml Perlite Power Pack is a powerful

Power Pack is a powerful additive to boost your flower and plant’s feeding program

Increases crop yield

designed specifically with broad light dispersion in mind

Yet even while driving your plants at a faster metabolic rate

Hanna Hi7004L Buffer Ph 4 500Ml Perlite Power Pack is a powerfulThis pH 4. 01 calibration solution is NIST traceable and comes with a Certificate of Analysis. The solution has the lot number and expiration date clearly marked on the label and has an air tight, tamper proof seal. Hannas line of calibration buffers have been specially formulated to expire 5 years from the date of manufacture for a sealed bottle. Hanna HI7004L C Offers pH 4. 01 calibration solution manufactured in accordance with ISO 3696 BS3978