Connecting multiple air pumps to one air distribution loop

I didn't think it would be a good idea to go the multiple pump way, but I thought I should check with a few other people first.

So, in the interrum period, I might assemble the distribution loop in such a way that the multiple pumps can be connected for experimentation purposes. I looked at the larger pump last night and it is the Resun LP20. So not as big as I originally thought, and whilst it uses a linear piston it still has a diaphram at each end of the piston.

I've replaced all of the diaphrams in the two 4way pumps, and since their output capacity is so similar I'll try connecting their total 8 outputs into the loop near each other and see how they go.

From everyones advice I will definitely get a larger airpump in a few months, but I first need to make sure I know what size to get. I probably don't need anything too massive. I certainly like the idea of running a single pump for energy reductions and less cords (only one power cord), and less air hose. Afterall, I'm going the way of air filtering and air lifts to replace the need to have a seperate little power head in each little 2ft tank moving the water for my loaches. (this entire set up is to attempt to breed different botia and hillstream loaches). All I want to do is move water up and over the hamburger mattenfilter, providing extra aeration and water movement throughout the tanks. Two of the 6fts will have an fx5 on them each, and the other two 6fts will have the larger sunsun style 4 stack 2000lph cannister filter. I'll use a sponge filter at the end of each 6 ft for backup, but the smaller 12 tanks will each use the airpowered matten filters.

I'll have to post up a pic when I have it all set up.
 
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