First time drilling so a little nervous and want to triple check everything. I'm in the final stages setting up my new 40b. I'm ordering an Eshopps Eclipse M overflow and want to get the correct size glass drill bit for my return line. I Have a Varios 2 for my return pump. Should My return line be 1/2, 3/4, or 1in? Ive been trying to read a bunch but its a little overwhelming trying to sift through the hundreds of tank setups (most of which are completely different sizes then mine). I want to start dabbling in SPS so good flow ( i'm assuming around 4-600 gph) should be possible. Side note: what are the drawbacks of just having the return line go over the top of the tank and skip the drilling and finality of it all. Thank you !!!
Varios-2 Return size
- Thread starter Scallywags
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Reeferdood
2500 Club Member
The only drawback of having the return go over the back would be esthetically it would not be as appealing. Most returns are 3/4 inch but you will need to use a bulkhead and that hole would be larger. Somewhere about a 1 1/8 diameter but this is just a guess so don't quote me! What are you going to do about your drains, will you be building an overflow box??
Scallywags
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I am getting the Eshopps Eclipse M overflow box.
Reeferdood
2500 Club Member
Nice choice!
Reeferdood
2500 Club Member
Why are you shooting for that much turnover in a 40 gallon anyways??
The average is somewhere around 4x tank volume. If flow is what you are after then use powerheads. My recommendation is 3/4 return like stated above.
Hope this helps convince ya..
The average is somewhere around 4x tank volume. If flow is what you are after then use powerheads. My recommendation is 3/4 return like stated above.
Hope this helps convince ya..
