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What physical hole size is needed for a bulkhead?
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Hits: 106112
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How to use PayPal without a PayPal Account
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Hits: 77320
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Flushing Effect - Why does the water level go up and down?
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Hits: 64975
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What flow rates are possible with a Durso Standpipe?
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Hits: 63818
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How tall does the standpipe need to be?
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Hits: 49711
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Bulkhead hole diameter is not the PVC size!
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Hits: 46954
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What about the air bubbles in the sump?
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Hits: 43670
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Can a Durso Standpipe work without an overflow chamber?
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Hits: 41859
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Can a Durso Standpipes work in a hang-on the back overflow?
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Hits: 37753
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How much room do I need or will a standpipe fit in my small overflow?
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Hits: 37335
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Are the Flexible Durso Standpipes really flexible?
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Hits: 33874
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What size PVC do you use?
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Hits: 33120
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Should the End Cap be above or below water level?
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Hits: 32588
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Can a Durso Standpipe work externally?
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Hits: 31539
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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: 30892
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Is a Durso Standpipe Adjustable?
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Hits: 30362
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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: 30071
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Are all of the parts on a Durso Standpipe glued?
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Hits: 29724
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I don’t know what size bulkhead I have, how do I order?
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Hits: 28827
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When can I expect my Durso Standpipes order to arrive?
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Hits: 27036
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What about International orders and metric fittings?
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Hits: 27021
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What is a bulkhead?
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Hits: 21983
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