Drill tank

[Blackumbi]

I have 180 gallones and i would like to run a sump and i wat to drill my tank so Were to drill and how big do i need to make the hole's here is the pump the i want to use thank u guy's


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[Blackumbi]

Bump


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[Blackumbi]

No body were r the experts


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[rodger]

You need to make sure it isn't tempered glass. For 1" bulkhead drill 1 3/4" For 3/4" drill 1 1/4". I just did on my acrylic tank a few months ago.

 

[Blackumbi]

You need to make sure it isn't tempered glass. For 1" bulkhead drill 1 3/4" For 3/4" drill 1 1/4". I just did on my acrylic tank a few months ago.

is acrylic so i was tinking to use2- 2" bulkhead draing in the center but im not shure and each corner 1 return so its gona be 2 returns and 2 draings i have a 2900 max-flo laguna pump
Sorry fir my englis


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[aldiaz33]

is acrylic so i was tinking to use2- 2" bulkhead draing in the center but im not shure and each corner 1 return so its gona be 2 returns and 2 draings i have a 2900 max-flo laguna pump
Sorry fir my englis

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That would work. Your pump does roughly 2,400GPH at 5' of head pressure so you would need your drains to be able to handle more than 2,400GPH.

One 2" drain can handle ~2,300 Gallons Per Hour (GPH), so you woule either want to run two 2" drains, or two 1.5" drains (each 1.5" drain can handle ~1,400 GPH, so running two of this size would also work).

The size of the actual hole you need to drill depends on what type of bulkhead you are using; some require larger holes than others (see link below for hole size requirements for the bulkhead fittings they sell). In regards to location, I would drill them as high as possible (while still being able to accommodate the bulkhead flange) so that when your pumps are off, the water in your display tank draining down to the the bottom of the bulkhead hole does not exceed your sump's capacity. I would personaly put them about 10" from the sides of the tank, but the horizontal placement doesn't really matter...the important thing is that they are as close to the water's surface as possible (but again, be careful not to drill to high or the bulkhead won't fit).

You will want to plumb a "T" fitting off of the bulkhead to allow air to enter the drain in order to avoid a full siphon.

PS- that is a big pump for a 180G. That will turn your tank over 13 times per hour.

Amigo, no te desculpes como hables en Ingles. Es Mejor que mi espanol!

Good luck!

Pic for reference:


http://www.bulkreefsupply.com/plumbing/bulkheads.html

 

[Blackumbi]

That would work. Your pump does roughly 2,400GPH at 5' of head pressure so you would need your drains to be able to handle more than 2,400GPH.

One 2" drain can handle ~2,300 Gallons Per Hour (GPH), so you woule either want to run two 2" drains, or two 1.5" drains (each 1.5" drain can handle ~1,400 GPH, so running two of this size would also work).

The size of the actual hole you need to drill depends on what type of bulkhead you are using; some require larger holes than others (see link below for hole size requirements for the bulkhead fittings they sell). In regards to location, I would drill them as high as possible (while still being able to accommodate the bulkhead flange) so that when your pumps are off, the water in your display tank draining down to the the bottom of the bulkhead hole does not exceed your sump's capacity. I would personaly put them about 10" from the sides of the tank, but the horizontal placement doesn't really matter...the important thing is that they are as close to the water's surface as possible (but again, be careful not to drill to high or the bulkhead won't fit).

You will want to plumb a "T" fitting off of the bulkhead to allow air to enter the drain in order to avoid a full siphon.

PS- that is a big pump for a 180G. That will turn your tank over 13 times per hour.

Amigo, no te desculpes como hables en Ingles. Es Mejor que mi espanol!

Good luck!

Pic for reference:
View attachment 854835

http://www.bulkreefsupply.com/plumbing/bulkheads.html

O ok thank u so much and the returns were or how to install and its good or bad to have big pump


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[aldiaz33]

You would also want the returns near the waters surface. When your pump turns off, your return line becomes a drain (it will back-siphon) so you want that siphon broken as quickly as possible so that your sump doesn't overflow.

Big pump isn't bad...it will just cost you more money to run since it uses more electricity than a smaller pump.

 

[rodger]

You would also want the returns near the waters surface. When your pump turns off, your return line becomes a drain (it will back-siphon) so you want that siphon broken as quickly as possible so that your sump doesn't overflow.

Big pump isn't bad...it will just cost you more money to run since it uses more electricity than a smaller pump.

A big pump that is throttled back with a ball valve will actually use less electricity to move the same amount of water. Also it is a good idea to put an anti-siphon valve in the return so that it can't back flow. That way you can have one lower or aim down with loc line or something.

 

[Egon]

I have a very similar set up to what your asking. I installed my drains in the side of my tank and ran them up to a T fitting at the water level of the tank. (look at the drawing) That way I wont drain my tank if/when I lose power or my pump fails. Then I installed my returns right into the top of the tank with 1" returns. Again, if I loose power I wont drain my tank onto my floor.

For your set up I would go with 2" drains and 1" returns.

Good luck!