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tony07232 03-14-2010 12:44 AM

I think i have used the wrong silicone
Hi, I have new to keeping salt water fish and I am just starting up. Im building my own Aquarium and my own sump. Like most things I do im going in with both feet!! the tank is 700ltr im using 12mm tempered glass and it will take pride of place in my front room.

First problem, I live in the middle east and could not find Aquarium slilcone anywhere, so I have been searching on the internet for what silicone to use, most sites say as long as its 100% silicone then it should be ok. Well I used 100% silicone and now im having doubts. Below it the brand I used.
AceŽ 50 Year 100% Silicone Sealant -
Please if anyone can help me on this matter it would be a great help.



dkpate 03-14-2010 06:34 AM

Does it say G-1 or G-2 on it?

tony07232 03-14-2010 06:42 AM

Thank you for your reply
Ok not I know this will sound dum but it dose say in small writing not recomended for Aquarium's but all the spec's are below.
  • Seals cracks, joints, windows, doors, gutters, sinks, counter tops & showers
  • Also use on RVs & boats above water line
  • Bonds to ceramic, glass, fiberglass, porcelain, painted surfaces, non-oily surfaces & most metal
  • Apply between 10 deg. F. & 100 deg. F.
  • 24 hr. cure
  • Non-paintable
  • Mineral spirits clean-up
  • Authorized by USDA for federally inspected meat & poultry plants, meets TT-S- 00230 C Class A, TT-S-001543 A Class A, Mil, Spec. Mil-A- 46106A, ASTM C920-79, FDA Reg. No. 21 CRF 177, 2600 when fully cured
Man I hope I have not messed up! Looking forward to your responce.



Blueiz 03-14-2010 07:23 AM

It sounds fine to me. It's authorized for food plants which, to me, would make it safe for a fish tank.

tony07232 03-14-2010 07:30 AM

Thank you for your reply
Thanks for the advice Blueiz, the start of my new hobby almost failed at the starting line!!!!

It would be more reasuring if a few other people would confirm also, however you have put my mind at rest. One more question I have a 670 Ltr tank and I have a Supreme Mag Drive 1800 GPH Pump, do you think the pump is too big for my tank?



Blueiz 03-14-2010 07:52 AM

If you are speaking of pump in terms of your filter, you'll be fine. IMO, the more filtration the better. It's really hard to overfilter a tank. What do you intend to stock your tank with, and is it going to be a freshwater tank or a saltwater tank?

tony07232 03-14-2010 07:58 AM

Not too sure yet on stock
It will be forsure a salt water tank, I have made the sump and im in the process buying all the pumps filters skimmer etc.

I just has a bit of a set back with the whole silicone thing, however now my mind is at rest.

For the sump would you advise on Natural filtration or manmade substances?

thincat 03-14-2010 08:29 AM

Tony, what worries me is the statement that it is to be used "above the water line"/
What color is the caulking?
Another thing that is on my mind is does it have a anti mildew agent in it? That would not be good for your animals.

thincat 03-14-2010 08:31 AM

As far as your sump, most people use LR rubble in their sumps as a filtering agent.

tony07232 03-14-2010 08:32 AM

thincat, the caulking is clear, dose this matter?

thincat 03-14-2010 08:37 AM

The reason I asked is that if it was colored more then likely there was some sort of additive in it and that would not be too good.
Does it say that it has any anit-mildew agents in it?

thincat 03-14-2010 08:40 AM

With a 185 gallon tank you are going to need a good skimmer too. So make sure you have room in your sump.

tony07232 03-14-2010 08:40 AM

No there is nothing saying anit-mildew on it, do you think its best just to cut out the overspill on the inside of the tank and reseal with the right silicone?

thincat 03-14-2010 08:50 AM

the reason I worry is that 185g is allot of water and caulking is not that expensive. Like the only thing is that it says above the water line.You said that the sump is finished so you could add water and see if it holds up. If there is a phone or contact # you could contact the manufacture and see what they say.

tony07232 03-14-2010 08:59 AM

thincat, thanks for all your advice, I will call them see what they say.

As for the sump I have the correct silicone, however it is black which is why I could not use it on the tank. To be safe I think I will cut out what I can see on the inside of the tank, reseal and maybe put some metal corner strips on the outside of the tank just to make sure. Like you say its a lot of water and i done like swimming in my front room.



thincat 03-14-2010 09:04 AM

Just remember that the sump is part of your system, so it should be safe there to. Water runs from your main tank through your sump and back to your main tank.

thincat 03-14-2010 09:29 AM

"thanks for all your advice, I will call them see what they say".
Please let us know what they say.

tony07232 03-15-2010 01:25 AM

All the manufacture says is, its not for aquariums. They wont tell me why or what is in it.

I am going to cut out and reseal cant take the risk. Thanks for all your advice im sure I will be back very soon with my next problem.



thincat 03-15-2010 04:04 AM

It must be the "secret receipt"!

tony07232 03-15-2010 04:06 AM

LOL I thought that was only ment for KFC Chicken....

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