Waterproof pH/Temperature Meter grow-light-ballasts Proper heat and stagnant air

Proper heat and stagnant air exhausting is important to your indoors gardens success

The Neutralizer Vanish doesn’t mask unwanted tobacco odors—it completely eliminates them

Ultraviolet Sterilizer add on kit provides 100% protection against bacteria

The MP 1200w DE HPS produces maximum par levels at highest efficiency

Pumps at up to a 35 ft

Waterproof pH/Temperature Meter grow-light-ballasts Proper heat and stagnant airHM Digital PH 200 Water pH Testing Meter. Waterproof. Measure 0 14 pH. Temperature Tester, IP 67 rating, Factory Calibrated, ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment, wine, coffee, agriculture and more.