HM Digital Pro Series Pen style pH/Temp meterPH 200: Waterproof Professional Series pH Temp Meter The PH 200 is a professional grade pH Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and

where movement of the calcium ion into and out of the cytoplasm functions as an important signal for many cellular processes

Temperature Resolution: 0

100 grams of Sonic Bloom

Ed Rosenthal is a world-renowned grower and educator who created decades-long Ask Ed growing advice column in High Times Magazine

Perlite #8 features extra large

Its urea free continuous use program couldn’t be simpler

Accelerates Bloom development

sodium borate

3" x 3" x 3" (75mm x 75mm x 75mm)

By strengthening cell walls

and are formulated with the perfect nutrient ratios for exceptional vegetative growth and blooms

Neutral pH levels