Growers Choice GC-315 w/ 4K air-purification Maintenance: Mix ¼–½ tsp per

Maintenance: Mix ¼–½ tsp per gallon of water with every watering

too much will cause root rot and plants will suffer

up through 1/3 HP (10 max

ndividual LED Indicator for Each Output

but these are the good ones

Growers Choice GC-315 w/ 4K air-purification Maintenance: Mix ¼–½ tsp perGrowers Choice Horticultural Lighting has introduced their first digital 315 watt ceramic metal halide fixture. It utilizes advanced low frequency square wave technology and high efficiency 315 watt ceramic metal halide grow lamp. The GC 315 delivers the highest efficiency and closest spectrum to actual sunlight in the commercial horticultural industry.