Plastic leaking chemicals? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 13 Old 11-03-2012, 04:23 PM Thread Starter
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Exclamation Plastic leaking chemicals?

I am a little concerned. I am taking the first steps into switching to RO water. I am planning on having a trash can (13 gallons or so) filled with RO water and an air pump for storage. Should I worry about the plastic leaking anything? Because I know that many plastics have some pretty nasty stuff in them and I don't want that in my fish tanks at all. Anything I should look out for? Do any of you have success with a certain bin? Thanks!
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post #2 of 13 Old 11-03-2012, 11:16 PM
Thermosetting plastics used in injection molding for trash cans are typically polyethylene or polypropylene and are perfectly safe. Once cleaned of any residual mold release will be fine to hold water without any leaching.

A bigger concern may be that many standard trash cans are not really designed to hold water and my bow or buckle under the load. Make sure you get a sturdy one and test before hand. You will likely need a rigid wall high density polyethylene which are tougher, stronger and mire durable.

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post #3 of 13 Old 11-04-2012, 12:21 AM Thread Starter
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Oh good. I have a polypropylene trash can/bin in my basement. I'll take it outside and test it out, make sure it holds up well. Thanks for the info!
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post #4 of 13 Old 11-04-2012, 01:24 AM
I use a rubbermaid brute trash can 33 gallons. It holds water just fine. I usually make my water up the day or two before water changes then it sits pretty empty most of the week.

.... I'm probably drunk.

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post #5 of 13 Old 11-04-2012, 01:30 AM Thread Starter
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The one I have is a rubbermaid 33 gallon as well, but it isn't one of the brute kinds. I would probably have water in it all the time because as of now I only have 2 ten gallons (probably a 46 in the future hopefully too!). So that is only 4 gallons a week. I plan on mixing the water in separate buckets an our or so before water change time.
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post #6 of 13 Old 11-04-2012, 09:21 PM
Although RO water is often used for SW, it is rarely used for FW.

Why are you going to use RO water?

RO water is too 'pure' for aquarium use. You will need to add minerals and adjust for pH.

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post #7 of 13 Old 11-04-2012, 09:41 PM Thread Starter
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Yeah I know. I have a water softener, which is pretty bad long term for the fish and plants. My platies have been fine in it for a year now. I had some panda cories that weren't though. The plants don't like it either. I also want to start keeping more sensitive, soft water fishes.
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post #8 of 13 Old 11-04-2012, 09:53 PM
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Yeah I know. I have a water softener, which is pretty bad long term for the fish and plants. My platies have been fine in it for a year now. I had some panda cories that weren't though. The plants don't like it either. I also want to start keeping more sensitive, soft water fishes.
As I responded in one of your other threads, you really should get the water before the softener. Just run a hose from the spigot before the softener.

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post #9 of 13 Old 11-04-2012, 10:11 PM Thread Starter
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Well, I'd love too except both hoses outside give softened water and so does this little spigot next to the softener. I tested all of them. Kind of a bummer.
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post #10 of 13 Old 11-05-2012, 09:27 AM
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Well, I'd love too except both hoses outside give softened water and so does this little spigot next to the softener. I tested all of them. Kind of a bummer.
Apparently a very poor or inexpensive water softener installation. Still, I think I'd invest in tapping into the water line before the softener before investing in an RO system (which by the way, needs to be installed in the water line before the softener!)
Unless you're planning to buy all your RO water?...in which case, you could just buy bottled water cheaper.

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