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Soil Depth: 7
One is for turning the meter on and off while the other is used to enter the calibration mode
Lower humidity reduces the possibility of attracting mold and root rot
adjusting nutrient strength as needed
Spectralux HPS, 250W Water Chillers Soil Depth: 7Spectralux HPS Lamps, 250W Spectralux High Pressure Sodium Single Ended Lamps features high lumen output and 2000 Kelvin color temperature making them ideal for horticultural applications. Fruiting and flowering plants will thrive under these lamps! It can also be used as a full term light source. They are engineered to be compatible with both magnetic and electronic ballasts. Spectralux lamps are optimized for use with Sun System brand ballasts and
