Tropical Fish Keeping - Aquarium fish care and resources

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WendyKL 01-12-2014 04:11 PM

tips on "bomb proofing" a divided tank
Hi all,

I want to start out by saying how much I have learned in the past 3 weeks from so many different people on this site. It's pretty amazing how generous people are with their knowledge and experience. I really really appreciate it - especially since - I am rapidly learning - that the available pet shops around here, just want to sell fish and don't care about the fish at all. . . . I have set up my divided tank - it's a ten gallon and it is planted. After getting good water parameters, I have put my platy and my swordtail in one part of it. The first day they were in - the platy "jumped ship" to the other side of the divider! I did a bunch of things to secure the divider - and since then - there have been no more 'great escapes'. Right now - there are no inhabitants in the other side of the tank - but fairly soon - there will be a male Betta - so I want to make absolutely sure that the divider is very secure. I don't want to make it permanent - I want to be able to move the divider - what I have right now to make it more secure is an extra binder spine jammed up against the original binder spine (the thing that wedges in the divider) and I'm holding it there with extra gravel piled up against it. Any other ideas - of course - greatly appreciated.


willow 01-14-2014 09:11 AM

i'll have a look around here as there was a thread perhaps in
the DIY section about divided tanks…
i can't help apart from that,because i as going to suggest a small dab of
aquarium silicone to secure the dividers in place…which can easily be removed
with a razor blade when you have no more use to it.

Hallyx 01-15-2014 12:13 PM

Sorry, I can't visualize your "fix." Using a binder spine horizontally to secure and stiffen the top of the divider is the usual solution. Works on the bottom too if installed before the substrate.

You might want to double-check your stocking. Platy and Swordtail like to swim in schools of 5 or more as far as I know.

jentralala 01-16-2014 03:50 PM

I agree with Hal, that your stocking seems to be a bit off. Platy/swordtails get quite large, and won't be comfortable in half of a ten gallon. An entire ten gallon tank is still a bit too small for their full grown size of 3"-4". You may want to return them to the store and just get one betta for the entire ten gallon, or split the tank in half and get a betta for each side. Or upgrade to a larger tank.

Sorry to be the bearer of bad news ;/

WendyKL 01-16-2014 08:04 PM

Thank you for the information!


henningc 01-17-2014 11:54 PM


I'll spare you the tank size lecture, we all did stuff like that when we were new. I doubt you can do this now, but in the future if you want to divide a tank just put an underground gravel filter plate in the bottom and push the divider in place before adding substrate.

As for your set up, I'm a little confused why you are seperating the livebearers from th betta in the first place. In a planted tank you should have no problems. If the tank is divided and the betta establishes territory, look out as it will be No Trespassing.

If I were you, I'd watch Petco for the $1 a gallon sale. Get a 20L and move the livebearers.

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