H2Overflow

[mlott132]

Anyone heard of these before?

http://customaquariums.com/c-2-h2overflow.aspx

I have a drilled tank and was thinking of using this to get more surface skimming. Only have a round strainer in the elbow and I don't think I am getting as good of skimming as I should. The other option would be to get a CPR retrofit overflow box. Just kinda afraid of taking my bulkhead apart.

[cherubfish pair]

I like the looks of that. It's simpler than glass-holes.com.

[Chasmodes]

I'm seriously looking at this as an option for me too.

[mlott132]

Ended up pulling the trigger on this. Should have it tomorrow and will post pics.

[Chasmodes]

Ended up pulling the trigger on this. Should have it tomorrow and will post pics.

Cool! :thumbsup: I look forward to hearing what you think of it once you have it in action.

[marciomrqz]

Building one wouldn't be too difficult...

[mlott132]

I received the overflow yesterday, and I have to say I am impressed. I thought I was only going to get the elbow and overflow box. Instead I received those and a bulkhead, short piece of pipe, another elbow, hose fitting! Here are the pics.

http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141002_183905_zpsndj00hbw.jpg (http://s533.photobucket.com/user/mlott132/media/Mobile%20Uploads/2014-10/20141002_183905_zpsndj00hbw.jpg.html)

http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141002_183934_zpssboaohwm.jpg (http://s533.photobucket.com/user/mlott132/media/Mobile%20Uploads/2014-10/20141002_183934_zpssboaohwm.jpg.html)

Can't wait to get this setup and see how well it works.

[mlott132]

OK guys I need your opinion on this. I tried to setup the overflow this morning and ran into a little trouble. Using the elbow fitting the top of the overflow is even with the bottom of the frame of the tank. Just a little to high for my liking. However, the kit also came with a 90 fitting that is not as tall. Do you think I will get the same amount of flow through the 90 as I would the elbow. Here are pictures of the two setups.

Elbow Fitting
http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141004_093956_zpscm6ui9ua.jpg

90 Fitting
http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141004_093942_zpsm5oq5fjm.jpg

[sirreal63]

The difference will be minimal, the flow has to go through the short 90 either way. The barb fitting is a restriction, go with all PVC or Spa Flex to keep the restriction on it down.

[mlott132]

All the plumbing outside the tank is existing and all PVC. The only change is on the inside of the tank. Wish I would have remembered about the 90 fitting when I was working on it this morning. Did not think of it until I already added water back into the tank. Will try again next weekend with my water change.

[sirreal63]

I am curious to see how noisy it will be, it is basically just an upturned elbow in the tank, which is a gurgle machine.

[mlott132]

Well I finally got it setup and running. Much quieter then my previous setup! Gotta say that if anyone has a non-reef ready tank and needs an overflow this is a great product. Here are some before and after pics.

Old "overflow"
http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141005_083558_zpsznedxssh.jpg

http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141005_091323_zpsjeikgewq.jpg

http://youtu.be/8UP8-y_HJWc

New overflow
http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141005_084601_zps9nco6tq6.jpg

http://youtu.be/7i1o_ukKzhI

[mlott132]

Found an issue with the new overflow system. I noticed while cleaning the glass that the top of the water had a film on it. Looking at the overflow I could see that surface water was not entering in on all sides. My water line ended up being even with the cap of the overflow box, and that was causing the skimming issue. To try to correct this I opened up the main return valve to allow more water to flow in the hopes of lowering my water level. Unfortunately, I had the valve fully open and my level did not drop. With the return valve fully open, I started to close the return line down. I closed the valve as much as I felt comfortable with and still could not get the water line down. As a last resort, I removed the cover from the overflow. Within second all of the surface film was gone. I opened up both valves fully and things seem to be running smooth. I don't want to leave the top off the overflow for obvious reasons. I think what I might do is find some plastic washers to go between the base and the cover to raise the cover a little bit. Hopefully that should fix the problem. Other that that the system seems to be working out very well.

[Nate32185]

I ordered a 300 gallon tank from these guys and it's going to have 3 of these overflows installed under the three braces. Weird that you had a film build up because they brag it has 17.5" of surface skimming. I have been using glass-holes overflow boxes on all my tanks. I hate those corner overflows that drain through the bottom. They take up so much real estate. The H2Overflow can drain 1200gph+ with one single 1.5" drain. My 1500gph overflow from glass-holes uses two 1.5" drains. They are suppose to be quiet too.

So, to summarize, it takes up less space in the tank, its quiet, requires less holes to be drilled, and has crazy skimming capacity. Of coarse I havnt gotten my hands on one yet but it looks like a great new product. Here is Custom Aquariums video. http://youtu.be/oBa8HIESdIw

[Vivicloud]

How's it working out for you? I'm thinking of getting one for my 40 breeder. I'm also looking at getting the syphon stopper.

[Reefvet]

How's it working out for you? I'm thinking of getting one for my 40 breeder. I'm also looking at getting the syphon stopper.

I bought both for a 40 breeder and posted here 2 months ago (http://www.reefcentral.com/forums/showthread.php?t=2477408&highlight=h20+overflow) asking if anyone had any experience with them. I didn't get a single response. I searched but didn't find this thread for some reason.

Still haven't installed them.

[Reefvet]

Well I finally got it setup and running. Much quieter then my previous setup! Gotta say that if anyone has a non-reef ready tank and needs an overflow this is a great product. Here are some before and after pics.

Old "overflow"
http://i533.photobucket.com/albums/ee333/mlott132/Mobile%20Uploads/2014-10/20141005_083558_zpsznedxssh.jpg



That's really just a slanted stand pipe, not an overflow. Anything is quieter than an open stand pipe.

[Vivicloud]

Are you still going to install them? Go do it now so I can how it looks on a 40 breeder. Hehe :bounce2:

[irishfanrock34]

Anyone else try one of these overflows?

[gear*guru]

Following along. Looking at 3-4 of these for new tank.

[FlyingFishSKYw]

I've got one on my 75 gallon build. I had my LFS drill the tank when I bought it.

I just filled my tank to test my plumbing and so far, I really like this overflow. I've got it running at a full siphon with an emergency overflow. It's super quiet. I can't comment yet on the surface skimming, but so far is seems good on the fresh water currently running through it. Here are some pictures, and a youtube showing how quiet it is:

Here's my video with a Jebao/Jecod DCT-4000 running at about 80%
https://youtu.be/VZhx6Mahghk


Backside of the tank- H2Overflow in the middle, emergency return on the right.
https://farm2.staticflickr.com/1457/24543606290_a5e6101100_c.jpg (https://flic.kr/p/DoQp4G)

Emergency Overflow
https://farm2.staticflickr.com/1716/25059000585_6e55d15c36_c.jpg (https://flic.kr/p/EbnVQe)

[Volcmreefer]

Any updates guys? Looking into this for my 75 gallon reef setup. Chris, where did you find that emergency overflow setup? Looks awesome.

-Jon

[FlyingFishSKYw]

Thanks! It just sort of worked out for me.

The emergency overflow is a street elbow directly into the bulkhead, then a strainer cap glued to a piece of 1" PVC. Strainer cap is from Bulk Reef Supply.

https://youtu.be/XnnyaXW-YXk

[Reefvet]

It's encouraging to see (hear) that it's silent. I never installed mine but I've still got it.

The emergency overflow is definitely a good idea.

[ReefInterest]

This overflow seems a bit dangerous. There looks to be a lot of leverage that can be applied to the back wall of the tank if to much pressure is applied to the overflow. I originally was interested in this overflow, but I don't want to slip with my algae scraper and cause a massive disaster.

[FlyingFishSKYw]

That might be the case if the overflow "box" was glued into the elbow. As I have it now, it's just friction fit in the 90. If it gets bumped, it'll just shift and hopefully not cause any strain on the back glass.

[rjjr1963]

That might be the case if the overflow "box" was glued into the elbow. As I have it now, it's just friction fit in the 90. If it gets bumped, it'll just shift and hopefully not cause any strain on the back glass.


When you say you are running at full siphon what does that mean. It looks like is simply a drain. Are you restricting flow with the drain valve to keep the overflow from sucking air?

Thanks.

[K.C.]

I too have one of these I've never installed, along with their siphon breaking return. I'll probably go for it now that I see the video and hear that it can be quiet. That was my main concern.

As for breaking the back of the tank by bumping the overflow, the idea seems a little paranoid IMO.

[FlyingFishSKYw]

When you say you are running at full siphon what does that mean. It looks like is simply a drain. Are you restricting flow with the drain valve to keep the overflow from sucking air?



Thanks.



I have a gate valve that does exactly that- restricts the amount of water so it's not drawing any air making it virtually silent.

[spliffstar]

How far down does the hole get drilled for this kit?

[rgvocean]

There is a template on their website you can down load

[greaps]

Think it could turned 90 degree's and avoid blocking over head lights, and work the same.

[FlyingFishSKYw]

Think it could turned 90 degree's and avoid blocking over head lights, and work the same.



Yes.


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[mrsalishasmith]

I had the h2 on my 75 reef and loved it. Was super easy to setup. Then upgraded to 125 and used it again with the syphon stopper. I couldn't be more happy with both. I did use a preexisting hole for my syphon stopper and it was a little low so I just got a new piece of PVC for it that was a little longer. You cB definitely customize them as much as needed if you get the un glued.

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[mrsalishasmith]

Can*

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[mrsalishasmith]

Think it could turned 90 degree's and avoid blocking over head lights, and work the same.
Get the un glued kit and you can turn it whatever way you want

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