Reef Central Online Community

Go Back   Reef Central Online Community > General Interest Forums > Lighting, Filtration & Other Equipment
Blogs FAQ Calendar Mark Forums Read

Notices

User Tag List

Reply
Thread Tools
Unread 09/22/2020, 11:16 AM   #1
MDreefer301
Registered Member
 
MDreefer301's Avatar
 
Join Date: Sep 2014
Posts: 58
Overflow flushing making my sump level fluctuate

I just set up my 65 gal and my overflow keeps rising and lowering. Its also flushing like a toilet. Im worried because its lowering and raising the levels in my sump and I don’t want my ato to keep filling. Ive read a few places where they say my drain hose may be to long, so i cut it down to an inch in the water. That didnt solve the problem. Does anybody know why it would be doing this. Thanks for the help.






Sent from my iPhone using Tapatalk


MDreefer301 is offline   Reply With Quote
Unread 09/22/2020, 12:25 PM   #2
Galantra
Giving my All
 
Galantra's Avatar
 
Join Date: Apr 2007
Location: Connecticut
Posts: 456
You can add a ball valve to control the flow into the sump but what I think you need to do is change the U to a T fitting



Similar to this style with a larger outlet for the air


Sent from my iPhone using Tapatalk Pro


__________________
Ritch

Current Tank Info: Working on a couple of things
Galantra is offline   Reply With Quote
Unread 09/22/2020, 02:07 PM   #3
billdogg
Registered Member
 
billdogg's Avatar
 
Join Date: Apr 2008
Location: Grove City, Ohio
Posts: 10,806
That's a standard DURSO style drain. It appears to be 1" pvc? If so, the MAXIMUM flow you can safely (and quietly) put through it is 300-350gph. 250gph is even better (quieter)

It will help if you put a vent hole in the top like is shown in the above diagram. It will work best with a length of airline tubing inserted through the hole to someplace in the middle of the down tube. Where, exactly, will require some trial and error. Adjust it slightly, allow a few minutes for it to equalize, and then if needed, adjust it again. Keep doing that until there is no flushing and it is as quiet as possible.


__________________
I'll try to be nice if you try to be smarter!
I can't help that I grow older, but you can't make me grow up!

Current Tank Info: 120 mixed reef with 40b sump, RO 150 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, BM curve 5 skimmer
billdogg is offline   Reply With Quote
Unread 09/22/2020, 05:32 PM   #4
aaronpentz
Registered Member
 
aaronpentz's Avatar
 
Join Date: Dec 2005
Location: Pingree Grove, IL
Posts: 952
You have the top elbows backwards. The one with the two holes and the little vent clear tube needs to be inline with the down tube.

Never put a ball valve on this type of drain. You need to put the valve on the pump to bring the flow down to match the drain after you make the above adjustment.

You will probably only get 500-600 GPH with this type of drain but this is all dependent on the plumbing size and how it's run above and below the waterline in the sump.

Sent from my SM-G955U using Tapatalk


__________________
"Friendship is like peeing on yourself: everyone can see it, but only you get the warm feeling it brings"

Current Tank Info: 67 Long
aaronpentz is offline   Reply With Quote
Unread 10/22/2020, 02:13 AM   #5
ckaz
Registered Member
 
Join Date: Jan 2009
Location: central california
Posts: 20
Quote:
Originally Posted by aaronpentz View Post
Never put a ball valve on this type of drain. You need to put the valve on the pump to bring the flow down to match the drain aft
Why never put a valve on this type of drain? Assuming bc there is no secondary/ emergency drain?


ckaz is offline   Reply With Quote
Unread 10/22/2020, 06:19 AM   #6
blowmecius
Registered Member
 
Join Date: Jun 2003
Location: Maryand
Posts: 177
Quote:
Originally Posted by aaronpentz View Post
You have the top elbows backwards. The one with the two holes and the little vent clear tube needs to be inline with the down tube.
This.

Also the water level in your sump is quite high. Be sure there is sufficient empty volume to accommodate the water that will drain from the main tank when return pump is off.


__________________
Homer no function beer well without.
blowmecius is offline   Reply With Quote
Unread 10/23/2020, 09:07 AM   #7
moondoggy4
Registered Member
 
Join Date: Jan 2007
Location: menifee So cal
Posts: 11,042
Buy a DC return pump, that way you can match the flow with the drain.


moondoggy4 is offline   Reply With Quote
Unread 11/16/2020, 12:23 PM   #8
dakitez
Registered Member
 
Join Date: Nov 2020
Location: Galt, California
Posts: 10
did turning the fitting around solve your problem?


dakitez is offline   Reply With Quote
Unread 12/09/2020, 03:16 PM   #9
MDreefer301
Registered Member
 
MDreefer301's Avatar
 
Join Date: Sep 2014
Posts: 58
Quote:
Originally Posted by dakitez View Post
did turning the fitting around solve your problem?

Naw I bought a new aqueon overflow kit fixed everything


Sent from my iPhone using Tapatalk


MDreefer301 is offline   Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



All times are GMT -6. The time now is 01:02 PM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2024 Axivo Inc.
Use of this web site is subject to the terms and conditions described in the user agreement.
Reef CentralTM Reef Central, LLC. Copyright ©1999-2022
User Alert System provided by Advanced User Tagging v3.3.0 (Pro) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.