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These low-volt controls take many forms
Total Grow Control CO2
easy & ideal choice for all types of indoor & outdoor ornamentals
It combines an Xtrasun enclosed double-ended reflector with a variable-wattage Xtrasun DE ballast and a high-PAR Xtrasun DE high-pressure sodium lamp
Higher Quality Cut
HM Digital TDS-3 Handheld TDS meter garden-accessories These low-volt controls take manyIdeal for commercial use, the TDS 3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0 9990 ppm. From 0 999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image.
US$ 36.00
US$ 36.00
US$ 149.50
US$ 45.00
