220 gallon new build, new to sumps.

Ulu

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This is the buildup of Goo after only 2 days since washing. This is mostly algae and snail egg snot.
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I'll let it go for about 4 weeks before it gets green and starts to slow down my drainage, but I check these tanks every day so I never worry about a overflow due to a clog.
 

Ulu

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I need to get 1 more pump.

My buddy at the local fish store told me he just got this pump in and had not sold one yet and it looks like a pretty neat pump.

It was more money but it was also more powerful being a 1050. It has National pipe threads and the construction looks fairly robust.

I'm going to hook it up right now and see how it works.

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The other pump has already shipped and arives from chewy in 2 days.
 
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jaws7777

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Didnt address the second half sorry.

Your flow rate will depend on your drain configuration, power of the return pump, and head height of your system.

Youre gonna want a pump that will overperform your goal flow rate, and then use a valve or controller to limit the flow. Many people use 2 pumps for redundancy. I recommend a DC powered pump, as they are quieter, more controllable, and usually more reliable. Lots of people here like jebao DC pumps i think because of their price point. Go for a pump that is at least capable of 2000-3000 gph at 0' head height.
This ^

How many holes are in each overflow ? How big are they ?

You also have the option of slapping a gate valve on your 3/4 lines and using them as your drains while using the 1 inch line as an e drain depending on how much flow you go with. The return can be run over the back of the tank.
 

jaws7777

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IMHO 3/4" drain = no drain
They clog soooo fast!
Yes an no. If someones using a valve to go full siphon the the opening is much smaller than a 3/4 inch pipe. But ido see your point. dAnother option would be to forget the e drain and use the 1 inch line as a main drain
 
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Ulu

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Over the years I have increased my drain sizes and now I usually go no smaller than 1.5". It doesn't have to be schedule 40.
 

BIGJchar

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Over the years I have increased my drain sizes and now I usually go no smaller than 1.5". It doesn't have to be schedule 40.
My 220 has 4 holes measuring 1.5" in diameter. I'm guessing that will be sufficient for a freshwater tank.
 

Ulu

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Well you can run four 1" drains with traditional bulkhead fittings. With good strainers you'll be fine. You can push 3500 GPH thru a 1" pipe (LOUD!) but gravity flow will net you 900 each pipe with the normal 3 turns and a valve.

3000 GPH flow could be nearly silent if nothing clogs. (good strainers)

BTW that pump from Chewy was on backorder, because all the MFKs bought 'em up. I canceled it and will buy a somewhat larger one.
 
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