Thread: closed loop
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Unread 03/07/2018, 09:20 AM   #8
ca1ore
Grizzled & Cynical
 
Join Date: Apr 2006
Location: Stamford, CT
Posts: 17,319
Quote:
Originally Posted by mhsmith View Post
The bottom of the tank will be made of PVC. You can understand how nervous I am about the glass cracking. My previous tank had some of the returns in the bottom, and always it is a concern for the bottoms if they leak as well. Where the glass cracked it went from the center all the way spidering to the top and bottom, so the tank had to be completely drained emergently.
No way to know, of course, but if the tank cracked from one of the holes, it may be that there was a small crack that happened when drilling that hole; and that crack ran over time. Have the tank maker do the holes for you.


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Simon

Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones!

Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs
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