Silicone

Charney

The Fish Doctor
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Nov 15, 2005
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I need to reseal a large tank and it has been a while since i have had to buy silicone. What are the recommended silicones to use now? Thank you
 

Charney

The Fish Doctor
Staff member
Moderator
MFK Member
Nov 15, 2005
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722
150
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Somerville NJ
Two that I like are:

--GE SCS-1200 Construction Grade for large tank construction or resealing
--ASI Aquarium Sealant for tank construction or resealing under 24" tall
thank you. do you have a rule of thumb on determining how much to order?
 

Sassafras

Dovii
MFK Member
Feb 17, 2009
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Hmmm! I'm sure there is a formula to estimate how many running feet of coverage you get, but I'm not sure. My reflex answer is, "more than you think you'll need". I'd rather have a tube left over than run and ounce short. I resealed a 150, 72"x20"x24" and I think it took three 10 oz tubes.

One word of caution. If you use the SCS-1200, it is super strong, but cures faster than you other silicones. Have every thing set up and ready to go, then get at it, smoothing the seam every so often as you go. Otherwise it may get too stiff to work out.
 
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