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What physical hole size is needed for a bulkhead?
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Hits: 120718
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How to use PayPal without a PayPal Account
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Hits: 81176
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Flushing Effect - Why does the water level go up and down?
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Hits: 72877
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What flow rates are possible with a Durso Standpipe?
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Hits: 69202
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How tall does the standpipe need to be?
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Hits: 54037
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Bulkhead hole diameter is not the PVC size!
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Hits: 49903
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What about the air bubbles in the sump?
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Hits: 47716
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Can a Durso Standpipe work without an overflow chamber?
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Hits: 44590
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Can a Durso Standpipes work in a hang-on the back overflow?
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Hits: 41400
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How much room do I need or will a standpipe fit in my small overflow?
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Hits: 39901
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Are the Flexible Durso Standpipes really flexible?
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Hits: 37797
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What size PVC do you use?
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Hits: 35087
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Should the End Cap be above or below water level?
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Hits: 34683
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Can a Durso Standpipe work externally?
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Hits: 33757
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Why do some standpipes use PVC with a wider diameter than the bulkhead and some do not?
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Hits: 32924
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Is a Durso Standpipe Adjustable?
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Hits: 32698
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Are all of the parts on a Durso Standpipe glued?
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Hits: 32568
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My bottom glass is tempered, will a Durso Standpipe work with a bulkhead on the side of the tank?
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Hits: 31961
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I don’t know what size bulkhead I have, how do I order?
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Hits: 30883
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When can I expect my Durso Standpipes order to arrive?
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Hits: 29181
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What about International orders and metric fittings?
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Hits: 28438
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What is a bulkhead?
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Hits: 24425
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