i just measured how high my pump is and added a couple of inches. Idea is that you should have enough space for the back flow in case your pump suddenly shuts down but high enough that your pump does not run dry. For the spacing i roughly estimated half an inch between baffles, That's just wasted space if you put too much gap in between i think.
Last edited by Bloodasp; 02-27-2010 at 09:04 AM.
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