i think he might be on about lava rock as in (pumice stone) it is lava that has dried into stone from a volcano
not sure tho m8 if that is what he means
busteruk7 Reviewed by busteruk7 on . Would this work I have a 25 gal tub under a metal rack that is holding up 4 , 3 gal buckets. if i drilled a ass load of holes in the bottum of the buckets and had a pump in the tub hooked to a set of drippers on a timer....would that work as a hydo ste up ? what would be the best thing to fill the buckets with ? any help i would be greatful....:thumbsup: Rating: 5