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Old 05-23-2013, 03:11 PM   #1 
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Join Date: Aug 2011
Question Filing Sharp Edges on Resin Decorations?

I went window shopping today for a cave for my tank: something for a fish to hid behind or in and feel safe.

I saw a few that I thought would work until I ran my hand along the inside of the openings. They were way too rough on my skin. I don't want to hazard a delicate fin.

The only label they had on them was "resin" which is uninformative.

My question is:

Do these unfinished edges come off with a little elbow grease and sand paper? If I file the interior edges down, will they stay tank-safe? Or are they coated with a tank-safe exterior that I would be taking off of something that might leach?

Thanks in advance for any thoughts you care to share on the matter.
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Old 05-23-2013, 03:31 PM   #2 
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Join Date: Apr 2013
Location: MA & VT
I sanded down the sharp points on my resin decorations without any problems; I'm pretty sure resin is inert. They sanded down really easily too, just make sure you rinse off the dust before putting it in your tank.
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Old 05-25-2013, 12:50 AM   #3 
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Join Date: May 2013
Location: Manitoba, Canada
Having worked with resin in another hobby, I warn you should be wearing a respirator/mask n95 rating for sanding. Any particles you breath in will stay in your lungs, and it can be very harmful to breath. Rinse any dust off the ornament thoroughly.. I think I need to do so for one of my ornaments, but I still need to pick up some sand paper and new masks.
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Old 05-25-2013, 06:39 AM   #4 
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Join Date: Feb 2013
Location: Australia
Whever I buy decorations I feel all over them & if any part is pointy or sharp I just file them down,they file away really easily and become nice & smooth.I've done this with pretty much every decoration & they are fine.
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Old 05-27-2013, 08:42 PM   #5 
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Thanks, everyone. I will file down anything that needs filing.

Skyr: Thanks for that advice. I found a 3M sanding respirator for a few bucks, so if and when I decide on a resin piece I can sand it safely. It's another expense, but I can keep it in the tool kit for another time. I have sensitive lungs, so it is probably a really good idea to have it in general.

My heater and thermometer arrive tomorrow and after I see that they work and the filter works, I'll decide what the tank environment will be: plants, substrate, decor. Exciting.

Thanks again.
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