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#1
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![]() Light Grey is meant for electrical. regular grey comes in both 40 and 80.
Where do you find any pressure in an aquarium? |
#2
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![]() I'm not sure but apparently there's enough pressure in closed loops to cause PVC pipe to explode from "internal stresses"
![]() Sorry could help myself |
#3
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![]() Where else would the term "pipe bombs" come from
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