Grey PVC

AndyL · #1 01-14-2006, 02:23 AM

Grey pvc is often used in aquaria - simple reason, it's often a correct fit to powerheads and other components (skimmers etc) making for easier DIY'ing.

My local Home despots carries pvc, flex and cpvc (all in different areas of course).

i have crabs · #2 01-14-2006, 08:13 PM

ive used it before with no problems that i knew about.

mark · #3 01-14-2006, 09:37 PM

Would I use the grey PVC fittings or the white sch40?

StirCrazy · #4 01-14-2006, 10:09 PM

Quote:

Originally Posted by mark

Would I use the grey PVC fittings or the white sch40?

go all grey, the biggest reason for sch40 and 80 is pressure aplications.. for all intensive purposes we don't have pressure aplications that require sch 40 or 80.. also the inside diamiter of the Grey should be larger which will reduce the back pressure alowing more flow for the same size pipe.

Steve

Willow · #5 01-14-2006, 10:34 PM

where can you get gray pvc pipe?

mark · #6 01-15-2006, 12:30 AM

At Home Depot the grey is in the electrical section (called plastic conduit rather than pipe or tubing).

At my LHD for the white, they have 1" sch 200 (thinner walled than grey). If I don't need the pressure ability of sch 40 should I use that for my 1" runs (output of pumps for both the closed loop and sump)? Can sch40 fittings be used on the 200 pipe?

StirCrazy · #7 01-15-2006, 01:04 AM

Quote:

Originally Posted by mark

At Home Depot the grey is in the electrical section (called plastic conduit rather than pipe or tubing).

At my LHD for the white, they have 1" sch 200 (thinner walled than white).

is that suposed to be sch 20?? to me 200 would be way thicker than 40 as 80 is about twice as thick walled as 40.. but to answer you yes, the difference is on the inside diamiter not the outside.

Steve

Mike Olson · #8 01-15-2006, 01:28 AM

Quote:

Originally Posted by mark

At Home Depot the grey is in the electrical section (called plastic conduit rather than pipe or tubing).

At my LHD for the white, they have 1" sch 200 (thinner walled than white). If I don't need the pressure ability of sch 40 should I use that for my 1" runs (output of pumps for both the closed loop and sump)? Can sch40 fittings be used on the 200 pipe?

It is sch. 20...no such thing as sch 200 when referring to wall diameters