Pvc cement in bulkhead

cap11885 · 02/09/2019, 12:42 PM

Should i cement my pvc into the bottom of my bulkhead? In the over flow i will leave it un cemented. However i have a small concern that the plumbing may "pop" off someday

FishAndPhysics · 02/09/2019, 03:54 PM

If you can find a union that is small enough to fit through the nut for the bulkhead, sure. If not, I wouldn't. You won't be able to remove the bulkhead from the tank without sawing it off.

Teflon tape works pretty well, that's how I did mine.

Kevin Guthrie · 02/09/2019, 05:02 PM

Threaded bulkhead or slip fit? I wouldn't trust slip myself. Threaded just use the Teflon for sure. Slip cement on a short pvc pipe and cement a slip fit union to that, and next time buy a threaded.

mcgyvr · 02/09/2019, 05:14 PM

Yes you absolutely should glue and pvc fittings that are in air...any in water do no need to be..

thegrun · 02/09/2019, 10:32 PM

agreed, absolutely glue it.

cap11885 · 02/09/2019, 11:33 PM

I usually buy my own threaded bulkheads but i got slip this time

MondoBongo · 02/11/2019, 08:00 AM

if they're slip, cement them in place.

just to be clear, i'm talking about on the dry side of the bulkhead, heading down the drain in to the sump.

often i will buy threaded for drain lines (never supply lines), just to make it a little easier on me. but if i happen to be doing slip fit, i always cement, and usually leave a few inches of tail piece if possible, just in case i need to replace it later.

cap11885 · 02/11/2019, 10:00 AM

I just went and bought some slip x thread bulkheads. I like to be able to remove if needed

02/09/2019, 12:42 PM	#1
cap11885 Registered Member Join Date: Dec 2008 Location: Florida Posts: 278	Pvc cement in bulkhead Should i cement my pvc into the bottom of my bulkhead? In the over flow i will leave it un cemented. However i have a small concern that the plumbing may "pop" off someday __________________ 250dd, icecap 48xl sump, skimmer, 4 koralia pumps w/controller, 2x hydra 52HD, Apex controller. Oldest fish 14 years. Current Tank Info: 250 mixed

02/09/2019, 03:54 PM	#2
FishAndPhysics Registered Member Join Date: Jan 2016 Location: NY Posts: 95	If you can find a union that is small enough to fit through the nut for the bulkhead, sure. If not, I wouldn't. You won't be able to remove the bulkhead from the tank without sawing it off. Teflon tape works pretty well, that's how I did mine. __________________ 90 Gallon Mixed Reef with 20g sump Current Stock: 1 - Ocellaris Clownfish, 1 - Yellow Tang, 1 - Kole Yellow Eye Tang, 1 - unidentified hitchhiker goby, 1 - Coral Beauty, 3 - Lyretail Anthias.

02/09/2019, 05:14 PM	#4
mcgyvr Registered Member Join Date: Sep 2003 Location: North Carolina Posts: 20,050	Yes you absolutely should glue and pvc fittings that are in air...any in water do no need to be.. __________________ Who me?

02/09/2019, 11:33 PM	#6
cap11885 Registered Member Join Date: Dec 2008 Location: Florida Posts: 278	I usually buy my own threaded bulkheads but i got slip this time __________________ 250dd, icecap 48xl sump, skimmer, 4 koralia pumps w/controller, 2x hydra 52HD, Apex controller. Oldest fish 14 years. Current Tank Info: 250 mixed

02/11/2019, 08:00 AM	#7
MondoBongo Obligate Feeder Obsessed Join Date: Oct 2012 Location: Pittsburgh, PA Posts: 4,061	if they're slip, cement them in place. just to be clear, i'm talking about on the dry side of the bulkhead, heading down the drain in to the sump. often i will buy threaded for drain lines (never supply lines), just to make it a little easier on me. but if i happen to be doing slip fit, i always cement, and usually leave a few inches of tail piece if possible, just in case i need to replace it later. __________________ [Citation Needed] "You don't use science to show that you're right, you use science to become right" - xkcd Current Tank Info: A rectangular shaped money pit.

02/09/2019, 05:02 PM	#3
Kevin Guthrie Registered Member Join Date: May 2013 Posts: 506	Threaded bulkhead or slip fit? I wouldn't trust slip myself. Threaded just use the Teflon for sure. Slip cement on a short pvc pipe and cement a slip fit union to that, and next time buy a threaded.

02/09/2019, 10:32 PM	#5
thegrun Registered Member Join Date: Dec 2008 Location: Garden Grove, Ca Posts: 17,023	agreed, absolutely glue it.

02/11/2019, 10:00 AM	#8
cap11885 Registered Member Join Date: Dec 2008 Location: Florida Posts: 278	I just went and bought some slip x thread bulkheads. I like to be able to remove if needed __________________ 250dd, icecap 48xl sump, skimmer, 4 koralia pumps w/controller, 2x hydra 52HD, Apex controller. Oldest fish 14 years. Current Tank Info: 250 mixed