Got to be more detailed...They make quite a few lights......and more detail on the whole grow setup can get more detailed answers.
Like..I run 3 x Mars-Hydro TS1000's in a 2 x 4 x6 tent. Normally 3 gallon pots using Fox Farm Happy Frog, RO/distilled water. MegaCrop 1 part (2.5 gram per gallon).5 gram epsom salt, few drop of SuperThrive...etc.....