help please

[rayman45]

im having my 75 drilled for temp. holding of all my fish untill the 240 is ready...

how big of a hole should i put in the side of the 75 for it to handel 900GPH.... it will have a bulkhead of course

thanks

 

[jsodwi]

I believe 1" id flows 600gph but not positive

 

[Pangong_ilong]

What, your getting a 240g. Nice, what's the dimension? Oh, about your question, got no idea. Sorry

 

[fishnthings]

I SAY 2"

 

[vanilla__gorilla__]

I hive two 1" intakes my two 240g's and 780 gph pump on them but I don't use over flows those

 

[rkc772]

im having my 75 drilled for temp. holding of all my fish untill the 240 is ready...

how big of a hole should i put in the side of the 75 for it to handel 900GPH.... it will have a bulkhead of course

thanks

hope this helps "Rayman45".. i use this website for all other odd calculations...which i cannot possible calculate. they got tons of it inside... save it on your "Favorites"

http://www.reefcentral.com/calc/drain.php

 

[rayman45]

it ways about 1.17"... so ill have a 1" bulkhead on it..

yes i sold the 180 and im getting a 8 x 2 x 2