silicon film in aqaurium bad for fish?...

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queenbee

Feeder Fish
MFK Member
Dec 3, 2005
32
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w.b.l,minnesota
i know stupid question.my dad had a leak in his tank and siliconed it up,it leaks no more.ok so anyways he siliconed it right but he left all the decorations and gravel in the tank when he did this.ok so he fills it up and now there's this film slimy stuff on the top of the water.so he took a cup to get it out,he did not get it all out and is going to turn the filter on to get the rest out.tell me what you think?are the fish gonna die?i think so.
 
Any silicone on the market will work, as long as the silicone is labeled as "fish safe" or "food safe." THIS IS IMPORTANT" Also after a couple of days you can go ahead and fill the tank back up. You must let it dry out first. If this has not been followed take it appart cut out the silicone and start again.
 
i am wondering if that film on the water will kill the fish?after he siliconed the tank he did not rinse it out,he wiped the silicon with a towel.aslong as it's safe to eat it's ok?if think i understand you.
 
If you do not plan to do anything else, use a net or cloth to remove the surface slime and garbage.
 
stotty said:
Any silicone on the market will work, as long as the silicone is labeled as "fish safe" or "food safe." THIS IS IMPORTANT" Also after a couple of days you can go ahead and fill the tank back up. You must let it dry out first. If this has not been followed take it appart cut out the silicone and start again.

Scotty is right-on; if the Silicone has not cured properly (at least 24 hours, 48 hours is better at 70 degrees Fahrenheit) then dangerous Ammonia will be present in the water. The slime / coating on the surface could be caused by several things which are unknown without more information.

The fish should be removed, the aquarium completely cleaned and dried, the old silicone removed and yes, do it over again.
 
he thinks everything is fine and is going to put the fish in.i am just worried about this grosse film that formed on the top of the water.this is what he did he emptyied the tank ripped of the old silicon then put new silicone on and waited 2 days and filled it up(after he wiped it the new silicone with a wet cloth).
 
Howdy,

as stated, silicone needs to be aquarium safe and properly cured. Any film formed after curing should be inert and safe like the silicone that holds the tank together. However, I'd still remove it with some paper towels, if for nothing else then for the looks.

HarleyK
 
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