yeah mate , 50/50 coconut fibre (coir) ans clay pebbles. i use general hydroponics 3 part feed with great results. the light cycle is 11/13 (light / dark) and a final 7 days of darkness just to help finish them. coco fibre will give u great results mate. all the top breeders us it , in matter of fact this years winner at the cannabis cup ( arjan haze from the greenhouse ) was grown in coco fibre.