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Aquarist Forums => Equipment / DIY => Topic started by: sas on January 15, 2010, 08:11:07 AM

Title: Piping for tunnels
Post by: sas on January 15, 2010, 08:11:07 AM
I would like to make some tunnels and was wondering if anyone has used the grey
piping that is used to protect electrical wires. The maker is Carlon.
Is this product safe for aquarium use?
I know I could use the black PVC piping but had this grey stuff
left over from some electrical work.
Cheers Sue
Title: Re: Piping for tunnels
Post by: QueensU on January 15, 2010, 08:32:45 AM
Electrical conduit is also made from PVC, so it should be fine. Like anything, just rinse it well before adding it.

Title: Re: Piping for tunnels
Post by: sas on January 15, 2010, 11:48:29 AM
Ok Thanks QueensU.
I thought it would be alright but wanted to make sure.
Title: Re: Piping for tunnels
Post by: Canoe on January 15, 2010, 11:52:35 AM
heard somewhere that the electrical conduit PVC has a fire retardant in it?
fish/reef safe?
Title: Re: Piping for tunnels
Post by: Severum on January 15, 2010, 11:58:00 AM
I've been using the electrical conduit as part of my plumbing for years with no ill effects to date.
Title: Re: Piping for tunnels
Post by: sas on January 16, 2010, 07:15:59 AM
Quote from: Canoe on January 15, 2010, 11:52:35 AM
heard somewhere that the electrical conduit PVC has a fire retardant in it?
fish/reef safe?


Anyone else hear this about electrical piping?


Quote from: Severum on January 15, 2010, 11:58:00 AM
I've been using the electrical conduit as part of my plumbing for years with no ill effects to date.


Ok Severum, so you had water running through this stuff not actually sitting in the tank?
Guess I'll wait a bit longer and see if anyone else chimes in.
Thanks for the replies.
Cheers
Title: Re: Piping for tunnels
Post by: johnrt on January 16, 2010, 07:55:30 AM
Insert Quote
Quote from: Canoe on Yesterday at 11:52:35 AM
>> heard somewhere that the electrical conduit PVC has a fire retardant in it?
>> fish/reef safe?


> Anyone else hear this about electrical piping?


> Quote from: Severum on Yesterday at 11:58:00 AM
>> I've been using the electrical conduit as part of my plumbing for years with no ill effects to date.


> Ok Severum, so you had water running through this stuff not actually sitting in the tank?
> Guess I'll wait a bit longer and see if anyone else chimes in.

Chime!
sas, I would not worry too much about it. If you have water both inside and outside the pipe, it is even less likely to burst into flames ;)

But seriously, The gray SCH40 electrical conduit is about 1/2 the price of the white SCH40 product for both lengths of pipes and fittings. There is less selection of fittings for the conduit, specifically no 'T's or hose fittings, but you can mix construction with the wider selection of white plumbing fittings. They are compatible in size and glue requirements.

Several generations of aquariests have discovered this difference in price and chosen the cheapest for whatever project. If it were not aquarium safe, I am sure we would have heard about it.

John T
Title: Re: Piping for tunnels
Post by: sas on January 17, 2010, 10:49:24 AM
"sas, I would not worry too much about it. If you have water both inside and outside the pipe, it is even less likely to burst into flames "

lol That's what I was afraid of, thanks for putting my mind at ease ;)

Thanks just making sure.