2" HDPE arches almost there

[Humbug]

Anyone of the German people here know where to get that kind of tubes in Germany?
All I found here is either full black or white or not flexible.

Thanks a lot

[Martin.S]

Anyone of the German people here know where to get that kind of tubes in Germany?
All I found here is either full black or white or not flexible.

Thanks a lot

Maybe this one
https://www.hula-hoop-shop.eu/Kunsts...20mm-Meterware


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[Humbug]

This would be my last option, if I won't find any other ones. OD is only 2cm.

[Bwinter]

This would be my last option, if I won't find any other ones. OD is only 2cm.

I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

The PEX performed much better as far as color-diffusion goes.

[Palussa]

I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

The PEX performed much better as far as color-diffusion goes.

So would you recommend PEX more than HDPE?


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[K-State Fan]

I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

The PEX performed much better as far as color-diffusion goes.

What were you using for lights for this test?


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[jchuchla]

I would say that PEX diffuses more than HDPE, but it also has a noticeably lower light transmission rate. I haven't tested this in a 1" size, but in a 2" size, the PEX doesn't let much light thru, but the HDPE transmits light very well. I would imagine that in the 1" size, HDPE would give a fair amount of hot spotting but PEX would be a lot more even.

[Bwinter]

I would say that PEX diffuses more than HDPE, but it also has a noticeably lower light transmission rate. I haven't tested this in a 1" size, but in a 2" size, the PEX doesn't let much light thru, but the HDPE transmits light very well. I would imagine that in the 1" size, HDPE would give a fair amount of hot spotting but PEX would be a lot more even.

I have my 1" PEX arches at 50%, so light transmission isn't a problem.

The 1" HDPE transmits a comparably dulled color as compared to the PEX.

[Palussa]

Awesome thx for your explanation. It helps me out since I’m totally new to this rad decorating madness.

One last question. Matt Johnson’s video mentioned 2” hdpe. Since I’m just getting into this, would 1” vs 2” make a huge difference?


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[Bwinter]

One last question. Matt Johnson’s video mentioned 2” hdpe. Since I’m just getting into this, would 1” vs 2” make a huge difference?

No. Here's 1" arches: