Is grey flex pipe for pools reef safe?
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Joey waid
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I'd say yes. I have used the grey electrical flex conduit before. It's all pvc.I'd like to use this pipe for drains on a herbie bean. I used old hose from a wet dry on a smaller overflow and it worked great. this larger overflow has 1.5 drains. So Bob Fenner stated that in his experience it was ok. it was an old article so . Anyway This flex would be a lot easier then ridgid and a lot liter as well. the 1.5 gate valve and union alone weighs 2 lbs ! Oh I also e/med the manufacturer to see what they say, It looks like this.
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jsker
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Yes it will work well. Also look into braided hose, a little more flexible. Also do not settle for what they have at the big box home improvement store. I just replace my return and overflow with the sizes and what I wanted, and the system is now running like it is supposed too;)
Joey waid
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That hose gets really brittle and fall apart after time. It's for pool cleaners, it's a weird size too.
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cracker
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Your correct on the size thing. It is 1.5 inner diameter but I will have to use a kinda inner slip fitting and hose clamp for good seal. Also I was surprised the inside was fairly smooth none of the ridges like on the outside. This pipe will make the weight hanging from the box a lot less. The gate valve and union weigh 2 lbs!
Joey waid
Well-Known Member
True, hose clamps work...
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