Waterproof pH/Temperature Meter double-ended and higher temperature ratings set

and higher temperature ratings set these booster fans apart

Roots Organics Super Phos Bat Guano is fast acting and so powerful it should be used carefully and sparingly

and sturdy spill trays

Hydrofarm's Xtrasun reflectors were designed with our customers' needs in mind

This 400W metal halide model offers 32

Waterproof pH/Temperature Meter double-ended and higher temperature ratings setHM 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.