I have my k1 setup done this way with holes the threw a piece of acylic (350 holes) i drilled it will a milling machine so it took no time at all and havent had a problem yet. Sump has been running for 4 months like this and i check it every water change twice a week. I think you need free enough movement threw to your next chamber so the dont stick. Im no engineer but it makes sense to me.
Good to hear. This is along the line that I was shooting for. I have (4) 8" air stones going in there. Hoping for enough movement in there that they should just keep getting knocked free. I'm definitely going to keep an extra eye out.
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