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12/04/2019, 08:45 PM
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#1 |
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Registered Member
Join Date: Mar 2017
Posts: 55
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Plumbing question
I have 2 90gallon frag tanks I'm plumbing into one sump.My pump is a Varios 8.There are 2 3/4 returns for each tank and 2 1 inch drains for each tank.Im foing to plumb the drains together with a t using 1 1/2 inch pvc.My returns I am wondering if I should use 1inch or 1 1/4 pvc cause there are 4 of them.Does any one have a idea thank you
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12/04/2019, 09:22 PM
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#2 |
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Registered Member
 Join Date: Jan 2007
Location: menifee So cal
Posts: 11,042
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So you will be combining FOUR 1" PVC drains into one 1 1/2 tee, is that correct?
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12/04/2019, 10:00 PM
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#3 |
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Registered Member
Join Date: Mar 2017
Posts: 55
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No I'll be butting 2 together and the other 2 emergency drains together
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12/04/2019, 10:32 PM
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#4 |
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My reef tanks my wallet
 Join Date: Dec 2011
Location: Portland
Posts: 571
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Do you mean the 4 drains? A 1" drain at full siphon will handle 960gph. Tying two together to a 1.5* will handle about 2100gph
__________________
300g custom acrylic from James 72x36x27, 4 Mitras Lx7 &6 a360, 2 Stream 3s, C2C beananimal. 100g sump, Jebao DCP- 8000 (Vectra M1 died) -> 114w aquauv -> SRO 5000ext , varios8 return Current Tank Info: Me v Dinos - I'm winning for now... |
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12/04/2019, 10:46 PM
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#5 |
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Registered Member
Join Date: Mar 2017
Posts: 55
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I have 4 1 inch drains.Im putting 2 together to a 1 1/2 pvc to sump.and the other 2 emergence drains together to 1 1/2 to sump.So I think it will be fine.But commig off my varios 8 to the returns o dont know if i can go 1 1/4 to my 3/4 returns or would 1 inch be better
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12/04/2019, 10:54 PM
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#6 | |
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My reef tanks my wallet
Join Date: Dec 2011
Location: Portland
Posts: 571
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Quote:
1" will give you 2200gph+ on the return. So if you want 1000gph or less for each tank, then I'd go with 1". Seems like plenty for a 90g tank.
__________________
300g custom acrylic from James 72x36x27, 4 Mitras Lx7 &6 a360, 2 Stream 3s, C2C beananimal. 100g sump, Jebao DCP- 8000 (Vectra M1 died) -> 114w aquauv -> SRO 5000ext , varios8 return Current Tank Info: Me v Dinos - I'm winning for now... |
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12/05/2019, 07:36 AM
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#7 |
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Registered Member
Join Date: Mar 2017
Posts: 55
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Yes I was looking at about 700 gph turn over to sump so 1 inch will work.I just wasn't sure if there was a advantage going 1 1/4
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12/05/2019, 08:28 AM
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#8 |
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Registered Member
Join Date: Apr 2016
Location: Central Nebraska
Posts: 3,190
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Feeding multiple tanks with one pump is fine. In general, it's a bad idea to combine drains. Are some of the drains siphons, as in a Herbie or Bean setup? If that's the case, you can't combine drains.
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Pat Current Tank Info: 125 in-wall , 40b sump. 6 bulb T5. ASM G2 skimmer. LPS and leathers |
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12/05/2019, 12:08 PM
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#9 |
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Registered Member
Join Date: Mar 2017
Posts: 55
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I was going to do a herbie drain.So I was going to connect 2 of the drains together and the other 2 emergency drains together
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12/05/2019, 01:24 PM
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#10 |
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Registered Member
Join Date: Apr 2016
Location: Central Nebraska
Posts: 3,190
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You can't do that. You won't be able to adjust them, and it will be dangerous.
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Pat Current Tank Info: 125 in-wall , 40b sump. 6 bulb T5. ASM G2 skimmer. LPS and leathers |
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