does anyone use small compressors as air pumps in their tanks i have seen some for around $60-$90 but will they be any good for a 500 litre tank ?

I use a 70LPM one in my fishroom and it does around 15 airstones/air powered filters with no problems and still air spare.. I think I have seen the smaller 1200LPH (20LPM) ones on trademe quite cheaply like this one http://www.trademe.co.nz/Home-living/Pe ... 455242.htm they would be more than enough air to do one large tank.

They are noisy though and the diaphragms wear out (like anything else I guess).. Have you tried larger 2 outlet standard air pumps?

i have a 4 outlet pump at the moment but needs baffles replaced i dont know if i can get spare parts for it

what brand is it doch?

the pump i am using is a aqua one precision sr-12000

what parts do you need? i have 3. one not going so its for parts

dont know what parts i need never had one apart but it makes a very loud rattling noise when turned up over 1/2 way

probably the small rubber mount that the diaphragm arm sits on

thats the steel thingy that does the flippy thingy on the magnet thingy

or the arm can get bent over time and be touching inside, does any outlet have less air production than the rest?

if so a diaphragm may be worn

i will have to take it apart and find out what is wrong i have a smaller pump to see me thru at this stage

have now pulled the pump apart and one of the bottom diaphrams has broken away from the arm and is just vibrating against the housing w2here can i get new diaphrams from ?

Any shop that sells aqua one products should be able to help you with the parts for it The diaphragms wear out all the time so should be a commonly available part, good luck maybe livingart can help also?

maybe if some one can tell me any shops in hamilton or auckland that have them i can contact them and see if they will courier them to me no shops where i live sell anything like it