Zayne Posted September 10, 2009 Report Share Posted September 10, 2009 i am wanting to divide one of my fish tanks and just wanted to know witch Silicone to use couldn't find any links fir it?? Quote Link to comment Share on other sites More sharing options...
SamH Posted September 10, 2009 Report Share Posted September 10, 2009 Clear silicone is best, harder to see. Use 100% silicone, designed for aquariums if you want to be extra careful Quote Link to comment Share on other sites More sharing options...
darkfur Posted September 10, 2009 Report Share Posted September 10, 2009 you have to get one that doesn't have a fungicide added to it, you go to Mitre 10 or whatever and check on the packet that it mentions that its ok for aquariums. Selleys does one. You can buy it at the lfs but its way more expensive. After you use the silicone it takes a couple of weeks before you can use the tank Quote Link to comment Share on other sites More sharing options...
alanmin4304 Posted September 10, 2009 Report Share Posted September 10, 2009 The more RTV you use the longer it takes to cure. Most people use way too much. If you just use enough you can use the tank the next day and it looks a lot better. Quote Link to comment Share on other sites More sharing options...
suphew Posted September 10, 2009 Report Share Posted September 10, 2009 There are two curing types of silicone, for the life of me I can't remember the names of them and I know I should. The one you want is the one with the really strong smell, a quick search in this forum should tell you what it's called the question it has been asked before. Quote Link to comment Share on other sites More sharing options...
Barrie Posted September 10, 2009 Report Share Posted September 10, 2009 nutral and acidic I use nutral agree with the comment that you should not use fungile silicons The main difference between Aquarium grade and those that are not is that the manufactures have not bothered to have them tested as the costs are huge and the sales increases are simply not worth it. Silicon takes 1 full day per 1mm of thickness of joint.ie; 6mm of joint should be left for at least 6 days Quote Link to comment Share on other sites More sharing options...
SamH Posted September 10, 2009 Report Share Posted September 10, 2009 There's tubes of 100% silicone at the 1 2 3 Dollar shop. Is that okay? It's only $3.00 Quote Link to comment Share on other sites More sharing options...
Scottie841 Posted September 10, 2009 Report Share Posted September 10, 2009 This is going to sound strange but you could go to Placemakers Kaiwharawhara and ask to talk to the vet. There is a guy there that works for them that used to be a vet and he will be able to tell you everything you could ever want to know about clear goo Quote Link to comment Share on other sites More sharing options...
mickey_1975 Posted September 10, 2009 Report Share Posted September 10, 2009 Hi, mitre 10 and bunnings have a silicone tube for about 13 bucks. It has a picture of a an aquarium on the back and tells you it is safe for aquariums. Quote Link to comment Share on other sites More sharing options...
Caryl Posted September 10, 2009 Report Share Posted September 10, 2009 In the past, members have recommended; Selleys Fosroc Siliaflex RTV Dow Corning 732 Quote Link to comment Share on other sites More sharing options...
Bilbo Posted September 10, 2009 Report Share Posted September 10, 2009 I would probably not use any glue from the 1-2-3 $ shop when you are trusting $100's with it. The list Caryl put up is probably the best. $20 is not to much to pay for a result you can trust is it? General rule of thumb is clear and smells like strong vinagar. Quote Link to comment Share on other sites More sharing options...
David R Posted September 10, 2009 Report Share Posted September 10, 2009 Try reading the info on the tube, every one I've looked at either says "safe for aquarium use" or "not for aquarium use", and if it doesn't say either then assume its not safe..... Quote Link to comment Share on other sites More sharing options...
Morcs Posted September 10, 2009 Report Share Posted September 10, 2009 LFS sell the stuff thats aquarium safe. I even use it to glue rocks together. Quote Link to comment Share on other sites More sharing options...
Barrie Posted September 10, 2009 Report Share Posted September 10, 2009 I use 732 and every tank I have made in the last 5 years has been from either 732 or the equivalant number in black. 732 is clear. As mentioned earlier, the difference inbetween aquarium safe of not is that it has not been tested. When I had to repair a mussel tank for an Auckland seafood company, we could not find a tube anywhere in NZ that was food grade so had to seek advice from the manufacture who said they were all safe but hardly any is used so they have only had one number tested All those sandwich cabinets that have been glued together ... chances are that none have been made with food grade silicon. Any of you dead from them? Quote Link to comment Share on other sites More sharing options...
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