T5 - PowerVEG FS+UV - 4FT - 54W Speed Control and can also be used

and can also be used to correct overfeeding or for desalinization of reusable growing media

Our Hard Core® ballast with dual input voltage easily switches from 120 to 240-volt power

A blend of Good things from Earth and Sea for a crystallized pH adjuster

Uses three AAA batteries (not included)

T5 - PowerVEG FS+UV - 4FT - 54W Speed Control and can also be usedPowerVEG can be used in any existing T5 54W HO lighting fixture The recommended height above the canopy of plants should be between 8" 16". The optimal height is 12". If using all PowerVEG lamps in one fixture, we recommend reducing the time the lights are on by 20%. This is due to the quality of the spectrum and the amount of UV coming from the light. If using a 50 50 mixture of PowerVEG and standard T5 lamps, no need to reduce the time lights are