Pic How To: Removing Plastic Rim & Cleaning Old Tank - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 13 Old 10-27-2012, 11:15 AM
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AquaJon, I've done this with almost all of my tanks up to 10 gallons, I've seen people do this on tanks up to 20 gallons. If you don't feel as though this is safe, then don't do it, however a lot of reputable sites I've visited have the exact same walk through and a lot of other people who actually tried this have confirmed it has worked. Nice guide AquaJon, you guys should try it, don't be scared.

For the people who fear the fish gods use this to prove yourself wrong. Don't argue the the science behind the stability.

Last edited by polukoff; 10-27-2012 at 11:34 AM.
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post #12 of 13 Old 10-27-2012, 11:39 AM
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These were de-rimmed using this exact method. The owners update regularly, they are going strong. A lot of users have the guts to de-rim 30 longs and 20 talls. It is reported that 1/8" thickness is safe for this.

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post #13 of 13 Old 10-28-2012, 02:10 PM Thread Starter
Thank you polukoff. I agree as long as the aquarium is small than the risk is minimal as the force of water is not great enough to break the seal at those sizes, Even 20 gallons sounds risky to me. 30 and 40 gallons would be outside of my comfort zone.

The first picture you posted is exactly what I'd like to do with my tank. I have already gone through the process of removing the rim and it looks as I wanted. Thank you for the aqua tools link!

Tazman - your letter to marineland uses the example of a 220 gallon aquarium... my tank is 2.5 gallons. Your example as irrefutable proof is 100x larger than my tank. And I agree with you, a 220g tank is much to large for a DIY project like this and should only be purchased rimless as it requires a degree in engineering at that size. However, what would marineland say to a 2.5 gallon, or even 10, maybe 20 gallon tank that is properly sealed by silicon? I will for that sake reword my initial posts to limit the size of tank to 10 gallons to ensure caution.

Last edited by Aqua Jon; 10-28-2012 at 02:20 PM.
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