u mike

I think my sump is ready can you please check it out for me
i used a 20 long height is 12"
1st section is a divider of 8"
bubble trap is 11" middle is 1" of bottom
refuigm is 6" with eggcrate added.
here are some pics
all input would help.

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here are some pics

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here is my list so far
1, 20 gal long tank
2, overflow box, tubing,bulkhead ( to sump)
3,mag 5 pump
4,pvc 1/2" & 1 " cleaner, cement
tomorrow I take tank to get hole drilled, will get glass cut for dividers.
things I need silicone , padding for floor,eggcrate, lots of luck
if i missed anything please feel free to add.

I am ready to make my sump, i am getting my 20 gal long tonight. can someone tell where to find the sizes for the dividing pieces , how many, what depth to set them,Is there a blue print somewhere i can get.

I really could use some help. this may be long also sorry.
I just got my sump on Tues, thats the good part I hope. here is what I think is my problem. 1 will not fit under cabinet unless I take tank apart and start over. 2 is there ever a time when I will have to take sump out from under the tank. 3 should I wait until I get my skimmer then do everything at once. 4 here are the numbers to help with next question,
sump dim are H 16" L 24 " it is divided by one single partation, ...