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View Full Version : Does anyone make a sump/fuge that costs less than a tank?


theyammieguy
12/18/2009, 06:57 PM
Seems most sumps I see for sale cost just as much as a tank. Im looking for a sump somewhere between 24" and 30" long.

mdntrdr
12/18/2009, 07:01 PM
Get an old tank and set it up the way you want it.

theyammieguy
12/18/2009, 07:03 PM
I was thinking about that. Can you bond acrylic to glass? I can get cheap glass tanks all day long and acrylic seems easier to cut.

mdntrdr
12/18/2009, 07:04 PM
Yep. Thats what I did.

Silicone worx fine.

theyammieguy
12/18/2009, 07:05 PM
Cool, thanks. Did you buy your acrylic online or local?

mdntrdr
12/18/2009, 07:06 PM
Menards

theyammieguy
12/18/2009, 07:07 PM
Thanks again, I will google it.

mdntrdr
12/18/2009, 07:08 PM
N/P........It's like a lowes or Home depot.

Local for me.

theyammieguy
12/18/2009, 07:09 PM
Ahh, ok.

FortyFour
12/18/2009, 08:01 PM
What I am doing is using a standard glass aquarium and having a hole cut around the top. In goes the bulkhead. I am going to place it next to my sump so that the refugium drains into it. Small pump from the sump to the refugium and away she goes. Total cost less than $50. Need to make sure that the refugium tank sits slighltly higher than the sump so that tgravity can take its course.

marekt
12/18/2009, 09:13 PM
what silicone for acrylic + glass?

ScooterGuitar
12/18/2009, 10:14 PM
I do believe it is best to have acrylic on acrylic or glass on glass, just read it on here the other day....something about swelling perhaps?
I did acrylic baffles in glass sump, a few baffles gave way overtime.

scott473
12/19/2009, 05:10 AM
Lowe's and Home Depot will cut glass for you (no extra charge) then all you have to do is put them in their places. But to be safe use glass in glass and acrylic in acrylic.

drewp808
12/19/2009, 05:47 AM
acrylic on acrylic glass on glass,
glass is way heavier
acrylic more expensive.
use aquarium silicone for glass.
and sorry never tried acrylic yet

theyammieguy
12/19/2009, 06:12 AM
Why can't you use glass and acrylic together? Only the baffles will be acrylic.

scott473
12/19/2009, 06:52 AM
Glass and Acrylic expand and contract at different rates.

theyammieguy
12/19/2009, 06:53 AM
Ahh, that makes sense.

mdntrdr
12/19/2009, 06:57 AM
I have used acrylic baffles in glass tanks for years.

Never a problem.

theyammieguy
12/19/2009, 07:01 AM
Now yall are just messing with me. Lol.

mdntrdr
12/19/2009, 07:04 AM
Glass and Acrylic expand and contract at different rates.


Are you going to be heating up and cooling down your sump?

theyammieguy
12/19/2009, 07:28 AM
Well, there are temperature fluctuations but I doubt they are extreme enough to create a problem.

mdntrdr
12/19/2009, 07:30 AM
Agreed.

billdogg
12/19/2009, 07:53 AM
I have always used acrylic baffles in my glass sumps - just cut it about 1/8" shy and then silicone in place. Although silicone does not bond well to acrylic (you could not make an acrylic tank using silicone) it is more than enough for baffles. I use (here comes the flames) GE type I for windows and doors - the kind w/o mold/mildew inhibitors.

FranktheTankTx
12/19/2009, 07:58 AM
I use (here comes the flames) GE type I for windows and doors - the kind w/o mold/mildew inhibitors.

:fun2:

ScooterGuitar
12/20/2009, 07:35 AM
Again, as stated above...my acrylic baffles in my sump eventually broke loose...not sure if my seals weren't perfect or it was because I used acylic baffles in glass sump...that being said I will no longer mix the two because it is a pain in the booty to redo inside the stand with everything in there. But, my tank is 5 years old.
Also to be noted, I had another the same way....it sprung a leak on the bottom off the glass when everything was fairly new in another system. Not sure if the expansion was to blame or something else.
These are my personal expereiences, I'm sure MANY people do it with 0 issues.

zsqure
12/20/2009, 10:27 AM
I ended up going glass tank glass baffles. Got a tube (caulking gun size) of aquarium silicone for around $10. Then had 6 glass baffles cut 9x11-1/2x1/4" for $23 at the local glass shop. spaced them with 2 CD cases and in 2 -or 3 days I was done I had a couple leaks, slopped on more silicone and was good to go.

Reeferon
12/20/2009, 01:03 PM
I have noticed that if you use very thick acrylic and silicone it into a glass tank, it will hold well.
this is probably because the structure holds it in place more than the silicone does. (the thick acrylic gets wedged into the tank and stays, easier than a thin piece.)

For me at the end of the day, the cheapest and easiest way has always been to find an old tank and go to a glass shop to have them cut pieces of glass for the baffles.

theyammieguy
12/20/2009, 03:09 PM
Thanks.

discus510
12/20/2009, 03:59 PM
be careful. to my understandin acrylic expand a little when its wet. so if u put tat in a glass tank. if it expand it mite crack tank(sump) tats probably the last thing u want

discus510
12/20/2009, 04:03 PM
but if u do want to do acrlic baffles in a glass sump u can go to tap plastic if u have one in ur state and get some e6000 its suppose to bond glass and acrylic together

Reeferon
12/20/2009, 05:52 PM
just do glass on glass with silicone. The extra $10 you'll spend will give you peace of mind.

E.intheC
12/20/2009, 06:35 PM
Why can't you use glass and acrylic together? Only the baffles will be acrylic.

You will get different opinions on this, but it's a hobby. I wouldn't bond acrylic and glass panels for large tanks/sumps, but for your size it should be fine. That's what I did on my ten gallon sump. I think the entire cost was about $25 or so, including tank. Just don't use the silicone II that is very common at lowes/home depot. Silicone 1 or just buy some from the LFS.

theyammieguy
12/20/2009, 06:41 PM
I'm planning on a sump between 20-30 gallons. I doubt using all glass or all acrylic will be that big of a difference in price. I cna get a cheap tank from petsmart or similar and find a glass store to cut some glass.

E.intheC
12/20/2009, 07:01 PM
I'm planning on a sump between 20-30 gallons. I doubt using all glass or all acrylic will be that big of a difference in price. I cna get a cheap tank from petsmart or similar and find a glass store to cut some glass.

You can even have the big box stores like home depot or lowes do it. Just make sure you measure correctly (and measure a bit smaller so it will slip in easier). That's actually why I went with acrylic because it was easier to adjust on my own.

Reeferon
12/21/2009, 06:26 AM
check out craigslist. Thats where I do most of my cheap tank selling/buying. Or maybe there is a local area reef club website you can get it from.
We have a pretty good reefclub site in Gainesville,FL

zsqure
12/21/2009, 06:53 AM
To save money, and reduce the junk at your fellow reefers home craigslist is a good deal. Besides, who wants to give China-Mart all of their hard earned money for those plastic bins.

justinm0424
12/21/2009, 07:06 AM
I've used acrylic for my baffles without a problem. The silicone doesn't bond well with silicone so you usually have to use a bunch but it's a sump so looks don't matter. They might get loose once in a while but they're just baffles and nothing a little silicone can't fix. I bought a 40 long as my current sump and it came with glass baffles that someone put in and the edges are all rough and I always seem to cut myself whenever working close to them. Not sure how nice lowes or HD cuts the glass but be sure you won't get cut everytime. Personally I'd rather use acrylic because it's a lot easier to use and if you change your mind on the baffles you can bend and cut it into something else easily.

jthomps123
12/21/2009, 09:54 PM
Glass shops will cut and sand custom sized pieces for cheap. Why bother later on with resiliconing acrylic when you can do it right for the same hassle the first time?

jjk_reef00
12/22/2009, 12:47 AM
Glass shops will cut and sand custom sized pieces for cheap. Why bother later on with resiliconing acrylic when you can do it right for the same hassle the first time?

+1 just do it right the first time, you won't regret it