ryanjury Posted July 10, 2006 Report Share Posted July 10, 2006 Hi I have to join some PVC piping for the sump in my freshwater tank (I know this is saltwater but you guys tend to build more sumps...) I obviously need something aqurium safe and dont trust the guys at mitre 10 to tell me what is or isn't safe.. The stuff that has been used in the rest of the joins is blue ive tried silicon and (as you would expect) this didn't work.. Quote Link to comment Share on other sites More sharing options...
SpidersWeb Posted July 10, 2006 Report Share Posted July 10, 2006 First thing that came to my mind was teflon tape. Quote Link to comment Share on other sites More sharing options...
0pius Posted July 10, 2006 Report Share Posted July 10, 2006 From what I understand it is a pvc pipe glue/bonding agent of somesort should be available from bunnings or most hardware stores Quote Link to comment Share on other sites More sharing options...
lduncan Posted July 10, 2006 Report Share Posted July 10, 2006 PVC cement. Most are just a solvent which evaporates once it's done it's job, some have dyes added which will remain afterwards. But don't worry too much, they are all reasonably safe. Flush it with water after it's dry, if you're that worried. Quote Link to comment Share on other sites More sharing options...
pacific blue Posted July 10, 2006 Report Share Posted July 10, 2006 i just went to my local plumbing shop and got some pvc cement, it hasnt piosened anything yet?! hahaha Quote Link to comment Share on other sites More sharing options...
ryanjury Posted July 10, 2006 Author Report Share Posted July 10, 2006 sweet as will do Quote Link to comment Share on other sites More sharing options...
KP Posted July 10, 2006 Report Share Posted July 10, 2006 Just a note that once PVC cement is dry its stuck good and proper, will have to cut the plumbing. Quote Link to comment Share on other sites More sharing options...
slappers Posted July 10, 2006 Report Share Posted July 10, 2006 Quote Link to comment Share on other sites More sharing options...
ryanjury Posted July 10, 2006 Author Report Share Posted July 10, 2006 Yeah thats why I have to restick it I brought a tank and im attempting to reuse some of the piping by putting a join in some of the bits that had to be broken to seperate the tank/stand.. Ill go with the stuff from mitre 10 the guy tried to sell me last time.. Quote Link to comment Share on other sites More sharing options...
Tanksman Posted July 10, 2006 Report Share Posted July 10, 2006 And buy new fittings :roll: Quote Link to comment Share on other sites More sharing options...
TM Posted July 10, 2006 Report Share Posted July 10, 2006 Just a note that once PVC cement is dry its stuck good and proper, will have to cut the plumbing. a heat gun will take them appart Quote Link to comment Share on other sites More sharing options...
Warren Posted July 10, 2006 Report Share Posted July 10, 2006 I've joined the PVC return tubes to my tank with standard PVC cement and about 2 minutes later started the pump. The fish didn't seem to care at all. It was fresh-water though so maybe less toxic to the fish than marines. It's only the solvent thats a problem. There was no smell coming from the water coming out the outlet end... It was an urgent fix from a busted pipe. I wouldn't normally do it. Standard PVC cement is completely non-toxic when fully cured. Quote Link to comment Share on other sites More sharing options...
cookie extreme Posted July 10, 2006 Report Share Posted July 10, 2006 i ave done the same in a reef tank with no ill effect Quote Link to comment Share on other sites More sharing options...
suphew Posted July 10, 2006 Report Share Posted July 10, 2006 ditto Quote Link to comment Share on other sites More sharing options...
Tank Man Posted July 11, 2006 Report Share Posted July 11, 2006 I've built skimmers and sand filters for commercial jobs and used PVC Cement with no known problems to date, I'd just let it cure properly (24Hrs) before using it that way your assured all the solvent is evaporated fully. The stuff I used is called Beta Plus but Marley gold will do the trick too. Remember to use the primer as stated in the instructions. I've used the heat gun trick to recover fittings as well, worked well as TM said. Tank Man Quote Link to comment Share on other sites More sharing options...
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