Hanna pH4 Calibration Solutions -- 16 oz Ozone Gorilla ensures your tent withstands

Gorilla ensures your tent withstands wear and supports heavy grow lights

Nor does a case sitting half-open in a stockroom

For more information like application rates

we've found that running Fade with Pro Bloom during the last 3 weeks of flower increased total cannabinoid and terpene production without increasing the risk of deficiencies and bud rot

The patented Element Air treatment systems are the most practical and effective solution for airborne and surface microbial contaminants

Hanna pH4 Calibration Solutions -- 16 oz Ozone Gorilla ensures your tent withstandsHanna's buffer solutions are made from established formulas and are standardized with a pH meter calibrated to NBS NIST primary standard buffer solutions. Now the pH 4 buffers carry lot # and expiry date as well as pH C chart on every bottle. HI 7004L C and HI 8004L C are also supplied with an analysis certificate. Hanna pH 4 buffers contain potassium hydrogen phthalate. They are standardized using a pH meter calibrated by primary standard buffer