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PostPosted: Jan 15th, '19, 04:26 
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Hello! I want to set up an aquaponics system but I haven't had the chance yet due to school.
Anyway, I received an rubbermaid "fashion clears" underbed box. I was considering using it for a growbed, but I've been advised to always be sure that any part of a system is foodsafe as well as safe for the fish. I haven't been successful looking online for whether or not this box is safe for food or fish—does anyone know about this?


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PostPosted: Jan 15th, '19, 17:17 
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While a few people have used clear containers it's best to avoid them because light and nutrients will allow algae to grow and take up some of the nutrients. You could cover the outside and block the light if you needed.

Many plastic products aren't tested for food safety. The manufacturer might know if you call them. You can check the type of plastic that the container is made from and judge based on what you're comfortable with. Whether something is made from virgin plastic material or recycled matters as well. This might help - https://www.custom-pak.com/what-plastics-are-approved-for-food-contact-applications/


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PostPosted: Jan 22nd, '19, 02:40 
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Not only sh ok old food safety be a consideration, but consider the elements. Anything outside needs to withstand sun, heat and cold. Some plastic becomes very brittle under these elements. Rubbermaid does produce agriculture tanks. Not cheap though.

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PostPosted: Jan 23rd, '19, 23:24 
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Are the Rubbermaid agricultural tanks worth the price though?


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PostPosted: Jan 24th, '19, 04:32 
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I have five of these and they are basically indestructible so I think you need to factor that in when you look at value. I think IBC's or larger stock tanks are a better budget choice for your fish tank and an IBC might be better for grow beds as well. The curved ends on the Rubbermaid stock tanks waste some growing space but otherwise I like them and I purchased them on sale during a store opening so they were a good deal for me.

The size of the system matters a bit too - I think these are better for a small to medium system but not so much for a large one. Building your own beds or at least having larger beds begins to make more sense for larger systems.


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PostPosted: Jan 25th, '19, 13:50 
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Winberg wrote:
Are the Rubbermaid agricultural tanks worth the price though?


Yes. Except watch the heaters they will melt!

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