Velezdav
Community Member
Hello , I'm in the process of building a 90 , right now is sitting on my garage i see the silicone don't look that good , should i re seal it , what brand should i use to seal .... Any info would be great ......
Re seal aquarium
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Dalmatia
Valuable Member
General purpose 100% silicon is just fine, clear, black.... What ever your tank has already!
Go with a sharp utility blade and scrape the old silicon off, "don't go in between the glass"!!!! Just the sides. Wipe off with acetone (nail polish remover) and re-silicon and use a tooler for silicon or a butter knife to get a perfect line and seal.
Go with a sharp utility blade and scrape the old silicon off, "don't go in between the glass"!!!! Just the sides. Wipe off with acetone (nail polish remover) and re-silicon and use a tooler for silicon or a butter knife to get a perfect line and seal.
ReefMadScientist
Valuable Member
Yep. I am in the process of re-sealing a 75 and maybe a 150 also. You can use Silicone GE Type 1.
As for testing the seal. Please do not leave water in the tank overnight on un-even ground. I made that mistake once and the bottom of the newly sealed tank was cracked.
As for testing the seal. Please do not leave water in the tank overnight on un-even ground. I made that mistake once and the bottom of the newly sealed tank was cracked.
My experience is that if the tank is too big (above 60 gallons) I'd rather pay more and have peace of mind having a manufacturer warranty against a cracked or seal malfunction. Otherwise, resealing an entire large (ish) tank is more trouble than its worth. Just my opinion and good luck.
ReefMadScientist
Valuable Member
Not necessarily. The people at the manufacturers are just as human as we are. They often make mistakes, Leemar, and the entire warranty process is a nightmare especially once the tank has been up for a few months.
If you clean the old silicone off and take your time re-siliconing the area, it is as good as new. Just have to believe in yourself. The process is very easy.
I just got a 75 gallon for free yesterday because it looked like it would not hold any water. It did hold water but the silicone was bubbly. I started taking off the old silicone to put a nice smooth beed onto the seems.
That was just my experience and opinion. I'm sure there are people like yourself and others that are willing and confident in repairing a tank but I don't do that every day and would trust someone more who does it for a living.
ReefMadScientist
Valuable Member
Yeah I understand. Just trying to give you some confidence
. Never fear to fail, always believe in yourself and do it 
ReefMadScientist
Valuable Member
The main key to this is to CLEAN CLEAN CLEAN. Make sure you have a nice clean surface where the old silicone was. I used a little sand paper (wet) and rough clean the areas so the silicone will adhere to it better.
Just take your time and you will get it.
Just take your time and you will get it.
