Light Bulb HPS Philips 400W Light Timer root development and overall plant

root development and overall plant vigour

Leaves with dark brown and dead areas with yellow edges may indicate fluoride toxicity

alfalfa meal

If the leaves develop brown tips or edges

Light Bulb HPS Philips 400W Light Timer root development and overall plantHigh Pressure Sodium lamp with clear tubular outer bulb, high output and long reliable lifetime. High Pressure Sodium lights produce an orange red spectrum and is best for flowering plants. The orange red light stimulates plant hormones and encourages it to flower. The best way to light your grow room is with a combination of blue and red orange light, to keep plants compact and flowering happily. This is best done by using a Halide then changing to a