Real Quick Question PVC glue

[stpetehxc]

its ok to use?? just re-doing my plumbing ATM and dont have alot of time to read through the threads.. thanks

[Doctor_Reef]

I use the clear...or silicon to secure my pvc...

[stpetehxc]

yea, i have the silicon. THANKS! :smile:

[fppf]

I use the standard PVC primer and glue.
Its NSF rated for potable water, thats the standard I go by when specing matterials and parts. Basically it says it will not out gas and kill your fish.

[newtofish]

Ditto with fppf, I have used the purple primer and the glue, never a problem.

[Sugar Magnolia]

Same here!

[stpetehxc]

thanks for all the feed back! i really appreciate it. i used the primer and glue as well. all is well 24hr later. thanks :thumbsup:

[Doctor_Reef]

I like the clear....doesn't look as messy...but gives the same results... :)

[stpetehxc]

i need to fix it tomorrow. my problem is my pump drains my sump faster than the overflow can replenish it. so i tried adding a T and it all comes into the sump and not up. im going to go to HD tomorrow can get some threaded coups. and glue the PVC to the pump and add a ball valve. good or bad idea?

[fppf]

I don't know if this is what you mean, but I would not glue anything to the pump :shock: . That will kind of limit changing things in the future.

But to answer the question, yes you can put a valve on the output of MOST pumps. This will allow you to throtle the output back by adding a resriction. A ball valve will work, like you get at Lowes or HD but a gate valve will give better control. Its hard to find all PVC gate valves locally. Remember, saltwater is bad for all metals but 316, 304, and Titanium.

Another way, and IMHO a better way would be to add a second overflow or a larger one. This way you can use the full flow of your pump, plus if anything happens to the first one you may have a chance of not flooding the living room as bad.

Also by restricting the pump it will make the pump run slightly hotter and the fluid shearing with the valve will add a little heat, but you would not notice that :thinkhard:

[stpetehxc]

Good point, having worked in a fastener warehouse the past two years the price of those metals are pretty high. I was browsing some of the posts and i saw someone had put some kind of PVC fastener on the pump, but i dont know. I'll prob just head up to HD or Lowes and just look through the plumbing section and try to decide which would be best.

I'll keep it updated. Thanks for all the help! Greatly Appreciated!

[FishinInTheDark]

Make sure that the bottom of your overflow isn't too close to the end of the U-tube. This situation gave me fits when I first started.

You could also consider adding a second U-tube to your existing overflow.

GL,

[stpetehxc]

These are the times when i wish i built my own sump. :beatdown: