Kids toys okay to use as tank decorations? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 13 Old 02-10-2011, 01:30 PM Thread Starter
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Question Kids toys okay to use as tank decorations?

I recently received a 55 gallon freshwater aquarium, and with two small children I wanted to decorated it with a children's theme...maybe Lego caves, or create a farm scene or zoo scene with plastic animals and houses. Has anyone ever done this before? Will it be safe for the fish? Will the chemicals in the plastics leak into the water? Any advice would be welcome! I currently have 5 mollies and 3 fruit tetras in this tank.

Also, since I am new to fish keeping I am looking for discounted fish supplies, especially filters. Does anyone know of an online fish discount store? I also have a 29 gallon tank...and between the two tanks the filters are getting expensive. Cheapest I found them is Wal-Mart, but it would be wiser to buy them in bulk....but I have had no luck so far.
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post #2 of 13 Old 02-10-2011, 01:56 PM
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Plastic is fine as its inert so nothing will Leech. Many people have used Lego blocks in their tanks, i saw somewhere that the blocks were used to make a waterfall in a turtle tank.
Just give them a good scrub and rinse before placing them in the tank.
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post #3 of 13 Old 02-10-2011, 02:11 PM
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I wouldnt, somebody put a toy shark in a tank here (cant tell you how many years ago) and I recently pulled it out cause it just looked horrible. The legos actually sound pretty cool, I dont think that would be bad.

What exactly are you looking to buy? I used to use when I bought reptile supplies.

If you mean to buy the filter cartridges in bulk I wouldnt, I never change mine just shake them in dechlorinated water if they get too nasty. If thats not what you were talking about then ignore that last sentence ;)
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post #4 of 13 Old 02-10-2011, 02:34 PM
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If you are talking about replacement cartridges then i would re use the old ones like stated above until the blue pads start coming off and then just put 2 of the black backings together with a hair band/ elastic band and cram what you want in the middle of them.
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post #5 of 13 Old 02-10-2011, 04:27 PM
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Legos are awesome...I was going to do that once and built an awesome castle thing...put it in my tank annnnd it floated! LOL I always meant to go back and anchor the legos down...but school caught up with me and such. Maybe Ill start that idea again ^_^ Good Luck! (If you do this...can I humbly request pictures?)
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post #6 of 13 Old 02-10-2011, 04:31 PM
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I would say go ahead. Just make sure that you wash them well before you put them in your tank and be sure to rinse VERY thoroughly

Last edited by Blabomb; 02-10-2011 at 04:33 PM.
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post #7 of 13 Old 02-11-2011, 04:02 PM
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You can brush them with a thin layer of aquarium silicon to be on the safe side as well.

Originally Posted by Christople View Post
^^ genius

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post #8 of 13 Old 02-11-2011, 07:47 PM
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The Lego blocks are fine. I don't think I'd trust anything else however especially as they may contain lead which could intoxicate the fish.

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post #9 of 13 Old 02-11-2011, 09:15 PM
I think it will create a very unnatural tank but its up to you.

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post #10 of 13 Old 02-11-2011, 09:23 PM
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Thank you for this post! I have been planning to do a Bright colored child themed tank for my sons play room.


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1 clown pleco- Bobo
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