Filtration help for my 600gallon

  • We are currently upgrading MFK. thanks! -neo
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fishguy23

Feeder Fish
MFK Member
Apr 4, 2005
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So I have had my tank up and running for a few months now but I want to add in a few settling tanks so I can use sock filters for mechanicle filtration before my bio towers....

tank003.jpg


So my question is, what is the best way to drill holes in a small glass tank for the settling chamber before the towers?
 
Read this first, it's a good thread, then if you have any questions just ask :D.

Dr Joe

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Oh oh, Dr. Joe went to bed before proof reading his work. I'll go dig up one of mine until he gets back.
 
Thanks for the link Chompers. Well I have two 20 gallon high aquariums made by all glass aquariums but I am hesitant on drilling them because I am not sure whether or not they are made of tempored glass. I was told that Tempored glass cannot be drilled. I checked their website and emailed them and all that I have found so far is that they might use tempored glass for some of their tanks but mostly just on the bottoms.......
What do you guys think I should do?
 
Sell them and get a bigger tank. 40 gallons is not really enough for a 600 gallon tank especially if you are using bio-balls. It is recommended to have 30
% of your tank space in your filter. If you use a media with a better surface area to volume ratio, you can use a smaller filter tank. Even using scrubbies, I wouldn't go with less than 10% of the tank volume.
 
Oops, these are for settling tanks, right? Dissregard the above post.

There is no way to tell if glass is tempered until it is too late. It is really rare for tempered to be used in small tanks but it does occure for what ever reason. Look at them as being replaceable and start drilling. (you might want to practice on a piece of scrap glass first).
 
Yes, they are just going to be setup as settling tanks. I tried drilling a piece of scrap glass yesterday and everything went well. I'll let you know what happens, wish me luck.....
 
Hey, good luck with them. Keep water flowing on the bit, and keep the groove cleaned out. Drill slowly to avoid heat building up at the tip. Glass will heat stress at 510C and the stresses can only be removed by annealing. If you heat stress the glass, it can break at the bulkhead fitting in the future.
 
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