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 Post subject: Expanded foam
PostPosted: Oct 28th, '16, 09:41 
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Joined: May 6th, '15, 15:11
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Hey guys, I'm going to mold a tapered drain into the RFF im building, to make the waste drain easier.

I've heard 'black waterfall' or something like that is fish safe but I can't find it local..

I've also heard most of the others use arsenic in their construction. So.. dont really want to use them.

Has anyone used some before?

I could always coat it with pure silicone to proof it but I would still worry about the arsenic content if the silicone wasn't a perfect seal..

Thanks guys!
Trent

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 Post subject: Re: Expanded foam
PostPosted: Oct 28th, '16, 23:35 
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Bordering on Legend
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Try this or similar. This one says fish safe. There are others available too. I searched pond foam and got several hits.

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800 gal sys 2016
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"Aquaponics...solar-powered nanotechnology that produces fresh vegetables and meat, while purifying water..." - Rick Op, Houston Texas.


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 Post subject: Re: Expanded foam
PostPosted: Oct 28th, '16, 23:39 
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Bordering on Legend
Bordering on Legend

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Posts: 278
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Location: Santee, CA USA
Try this or similar. This one says fish safe. There are others available too. I searched pond foam and got several hits.

_________________
800 gal sys 2016
IBC system 1/2015
simple flood & drain
5 growbeds

9 kW Solar Electric 2011

"Aquaponics...solar-powered nanotechnology that produces fresh vegetables and meat, while purifying water..." - Rick Op, Houston Texas.


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 Post subject: Re: Expanded foam
PostPosted: Nov 3rd, '16, 22:14 
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Joined: May 6th, '15, 15:11
Posts: 100
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Location: Western Australia - Perth
How strange! I never got the notification of a reply. So sorry I never replied. Thank you

Thank you, I found this one by aquatec
Image

Hopefully this sticks ok to the plastic drum!

I will post a picture in my system thread if it does work :)

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