humph.. well i was going by dereks testing where the max was 1.75 gpm i believe... and that is with the hydrothruster which is equivalent to a MD20 afaik.
nik, what pump is that.. i have my 110 dollar iwaki here but i dont think ur refering to that... and most certianly not ur rd30... or wait.. u are referign to the rd30 as u got it for 100 bucks..
