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 Post subject: Spray bar on bell siphon
PostPosted: Oct 2nd, '17, 12:49 
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Hi, I was thinking of adding spray bars onto the bell siphons that drain into the fish tank to add extra DO to the water (as well as a 12000L/h air pump). The spray bar would just be a short (30cm) length of PVC with holes drill in it. My main concern is causing issues with the siphon starting/breaking.

Would this work, or would it cause more issues than its worth?


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PostPosted: Oct 2nd, '17, 14:23 
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Nup.... Leave the siphon, you'll just make life hard for yourself.

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PostPosted: Oct 2nd, '17, 22:18 
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This would work perfectly fine. Just make sure it doesn't impede on the siphon flow rate.

Good on you for giving it a crack.

-K98


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PostPosted: Oct 3rd, '17, 09:30 
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Huh? No it won't... The spray bar will impede the flow and upset the start/stop of the siphon just as he suspected it might..

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PostPosted: Oct 3rd, '17, 10:37 
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earthbound wrote:
Huh? No it won't... The spray bar will impede the flow and upset the start/stop of the siphon just as he suspected it might..
Yup!... +1

If you see a bell siphon in operation SPG, you'll realise that it creates a massive amount of aeration when dumping. In fact, if I had to put money on it, I would suggest that if you were actually able to get a siphon working reliably with a spray bar attached to the end of the return line, it would reduce the amount of aeration compared to the siphon just dumping normally.

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PostPosted: Oct 3rd, '17, 15:23 
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Guess it depends on the size of the system then.

-K98


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