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What is the closest you should drill to the edge of the tank?

 

I'm going to drill 2- 1" holes and 2- 1 1/2" holes. One set will be for water returning to the tank and the other set will be for water leaving the tank.

Guest MikeInFredVA

What is the closest you should drill to the edge of the tank?

 

I'm going to drill 2- 1" holes and 2- 1 1/2" holes. One set will be for water returning to the tank and the other set will be for water leaving the tank.

i usually try to keep about 3/4 inch below the plastic, cause i use the 90 elbow for an overflow with some plastic mesh.

 

But that 's me

 

 

Mike

Vader,

 

Are you going to install an overflow box? Also, with many of the bulkheads you buy, you have to drill a larger hole to accomodate them, so in other words, if you want to use a 1 1/2" return line, then you would have to drill a 2" - 2 1/2" hole. The guy who drilled my tank, said you want to stay at least 2" from the edges. I have a 45 gallon that I want to drill for a refugium. Tank Drilling Party. :biggrin:

Vader,

 

Are you going to install an overflow box? Also, with many of the bulkheads you buy, you have to drill a larger hole to accomodate them, so in other words, if you want to use a 1 1/2" return line, then you would have to drill a 2" - 2 1/2" hole. The guy who drilled my tank, said you want to stay at least 2" from the edges. I have a 45 gallon that I want to drill for a refugium. Tank Drilling Party. :biggrin:

I wasn't planning on installing an over flow box. I was just going to come out the back and into the sump.

Guest MikeInFredVA

I wasn't planning on installing an over flow box. I was just going to come out the back and into the sump.

when i say 1 inch i mean hold the bulk head to the glass 1 inch lower then the trim, and mark the glass for the correct drilling spot. once you get the right angle on there your water lever for a 2" will be right over the trim. ifyou are using a home depot or lowes bought right angle i would see with the angle in there as to were you want your water level . myself I usually like my water level to be above the trim so the tak looks full at all times. As for a overflow box I've never drilled one out for an over flow box, might wanna ask Reef scavanger I think he does more drilling like that, but I'm not positive that's the right s/n.

 

 

Mike

when i say 1 inch i mean hold the bulk head to the glass 1 inch lower then the trim, and mark the glass for the correct drilling spot. once you get the right angle on there your water lever for a 2" will be right over the trim. ifyou are using a home depot or lowes bought right angle i would see with the angle in there as to were you want your water level . myself I usually like my water level to be above the trim so the tak looks full at all times. As for a overflow box I've never drilled one out for an over flow box, might wanna ask Reef scavanger I think he does more drilling like that, but I'm not positive that's the right s/n.

Mike

 

10-4

 

Thats how I was thinking of going, with the 90 facing up (in-side the tank) to keep the water level up and draining right into my sump. I'm trying to keep it simple yet practical.

Guest MikeInFredVA

Just make sure that the drain line does not get clogged by anything. Otherwise you will end up with a lot of water on the floor.

one easy way too stop the drain from a clog is to get some plastic mesh and put it in the drain to stop big stuff from going down and geting caught yet still let smaller stuff down to get caught in the sponges and filtering in the sump good luck on the sump.

 

Mike

I was also thinking of using 2 drains, using the secound as a back up

  • 2 weeks later...

I was also thinking of using 2 drains, using the secound as a back up

 

In that situation, would you run the pvc from each into a T of of the same size? For example 1" coming off each drain hole into a 1" T.

 

As opposed to 1" drains going into a 1 1/2" or 2" T?

 

I am assuming that you can get away with just one drain hole in a 55g tank? How do you figure out the size of pvc (and therefore the hole) to use? 1", 1 1/4, 1 1/2 or 2?

In that situation, would you run the pvc from each into a T of of the same size? For example 1" coming off each drain hole into a 1" T.

 

As opposed to 1" drains going into a 1 1/2" or 2" T?

 

I am assuming that you can get away with just one drain hole in a 55g tank? How do you figure out the size of pvc (and therefore the hole) to use? 1", 1 1/4, 1 1/2 or 2?

 

I was thinking of 2 - 1 1/4" coming from the back of the tank, down to my sump. (2 completely separate lines) I would have (inside the tank) the ends of the elbows facing up. One would be 1/2" higher than the other. This might be alittle over board, but the tank sits in a room on the second floor.

 

I'm sure 1" would be fine for a return, but I'm putting as much thought as possible into this system, to prevent any problems....like over flows. My wife would kill me and then I would have even more work to do around the house.

 

Just make sure that the drain line does not get clogged by anything. Otherwise you will end up with a lot of water on the floor.

 

Thats a big 10-4

I apologize for the shanghi but how do you determine the appropriate size pvc diameter for your tank. I am going to drill a 55 gallon.

 

No apologizes needed.............My return pipe is going to be 1" and depending on flow to the tank, I want unrestricted flow back to the sump. I haven't drilled the tank yet because I'm still designing the piping system. I just finished making my sump

 

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J/k Looking good bro. Looks like you used silicone? Haven't I read that combination does not last?

Anyone?

I used the same silicone glass aquariums use for their tanks.

 

faith.wav

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