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Old 03-07-2011, 03:43 PM   #11
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i just got a 41g osaka set . its a cube-ish tank with open top, been thinking of starting my first saltwater. at the lfs the owner has his main display tank uncoverd. today i got a hagen glo t5 ho , i took off my old hoods(55g) and mounted the new 48" on the trim of the tank using the mounts. looks good, but now i have two tanks with no hoods covering them. i will see firsthand how much water i lose from one 55g coverd and my uncoverd 55g. when my 41g is set up, i am wondering if it will be noticebly more humid or wet in my house? we will see soon enough.
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Old 03-07-2011, 07:35 PM   #12
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@Richard871: Hmmm no it's a generic brand, called AA. It's relatively unknown. Here in Aus. the tanks are sold as 'Blueplanet'. But I'll have a closer look at the filter as well.


Where can I get these condensation lids? Why does everyone say glass, does it work better then plastic? Should this piece of plastic or glass fit perfectly to the top of the tank OR should it be raised leaving gaps underneath?

The other development is that the betta cube the fish is in at the moment... Literally lost about a cm of water over-night. The normal tank also lost a tiny bit, and that's WITHOUT the 26C heater on 24/7.
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Old 03-08-2011, 02:36 AM   #13
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Mark,
The condensation lid I refer to is made by algarde it's a heavy duty clear plastic that you can trim to shape with a sturdy pair of scissors, you can trim them to make a snug fit but unless you work for NASA you won't get completely sealed. You wouldn't want to anyway.
The moulding of the tray has undulations (raised peaks and troughs) where the evaporate / condensation collects then when they are big enough drip back into the tank.
I've converted mine not long ago as the over tank filtration box and lid was not very good.
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Old 03-08-2011, 02:59 AM   #14
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Interesting. I think I've thought of a way to do it without having to get rid of the current lid entirely. I'm going to cut the pieces to fit around the filter, like puzzle pieces. There will be a few little holes but it would be silly to cut a piece that small. So then there will be: Water surface - inch of space - plastic lid - lots of space - plastic lid.
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Old 03-08-2011, 03:07 AM   #15
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You can use the tray underneath an existing lid they have a lip round the edge of the tray for that. Trim a little at a time, if it takes a while a tidy job is much better than a rushed half assed hatchet job.
I'm guilty of the latter in my early days.

(dont forget to cut a hole for feeding the little aquatic beasties)
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Old 03-08-2011, 03:39 AM   #16
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Sounds like a plan. Have you got yours just sitting on top or have you stuck it down in some way, with glue etc.
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Old 03-08-2011, 05:47 AM   #17
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Just resting on the top. There are gaps all round so air still circulates and holes for cables filter pipes feeding access etc. The point is to reduce evaporation. You'll not stop it completely nor would you want to the tray catches the majority as it evaporates straight up as heat rises stops on the tray collects then when it cools a little and collects drips back down again into the tank.
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Old 03-08-2011, 07:08 AM   #18
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Heres some pics of the condensation lid I just put on mine, I need to trim a little for a flush fit but it does the job for the time being.
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Old 03-08-2011, 11:03 AM   #19
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that stuff is used for greenhouses and outdoor patio roofs, i think? ya, that looks good. maybe i'll do somethin' like that on my open top 55g for now. thanx
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Old 03-08-2011, 11:09 AM   #20
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Quote:
Originally Posted by doogle
that stuff is used for greenhouses and outdoor patio roofs, i think? ya, that looks good. maybe i'll do somethin' like that on my open top 55g for now. thanx
It's similar but a lot thinner and cheaper than greenhouse not to mention smaller in size. But least it gives you an idea.
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