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Need some help.....

Discussion in 'General Discussion' started by CREYNOLDS, Jun 3, 2011.

  1. CREYNOLDS

    CREYNOLDS

    184
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    Was wondering if anyone out there has a hole saw to drill tanks, I could either borrow or help me drill a tank? I need three holes drilled for the calfo system. And if not where I can get my hands on one, I know hung does it, but he wasnt 20 bucks a hole.
     
  2. Bryan-1

    Bryan-1 Well-Known ReefKeeper

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    that's is better than $40.
    look at it that way.
     
  3. daalbers

    daalbers Well-Known ReefKeeper

    562
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    bulk reef supply has them cheap but they work good
     
  4. AJ

    AJ Inactive User

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    Hey man, put your $20 toward renewing your membership and I'll let you borrow the hole saws that I have. I even have some of the plumbers putty that you can have for the job. I have the saws for the 3/4", 1" ABS and 2" Schedule 80 bulkheads. I may have one for a 1/2" ABS...but not sure about that. Let me know if you want to borrow these.

    --AJ
     
  5. Netofficer3710

    Netofficer3710 Inactive User

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    if I remember correctly AC&C does it for 10 bucks a hole
     
  6. CREYNOLDS

    CREYNOLDS

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    No I'm sorry Hung wants $20 per hole.Plus I really dont have a way to get the tank from CR to North Liberty, wont fit in my car all the way. Yes I need to re up on my fees for the club, been lacking on that. AJ- have you drilled any tanks before? It looks easy, but I would not be happy if I cracked the tank.
     
  7. AJ

    AJ Inactive User

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    I've drilled probably 4 or 5 tanks, it's easy. I can help you if you want, but this week is not good...maybe next week? Basically you just need the plumbers putty, some water, a drill, hole saw and patience. The bigger the tank, the lower the risk as thicker glass drills better. That said, I've also drilled 10 gallon tanks with no issues. Mark where you want the hole, set up a ring of plumbers putty, and start drilling. I like to start out by getting one edge set in place (so drilling at a slight angle), then moving it to the straight, upright position. Let the hole saw do the work. Be patient and don't force it. Put a towel that you can throw away in the tank to catch the glass, water and glass filings. Once the hole is done, wrap the towel up and throw it away. IMO, you should also throw away the plumbers putty too as it ends up with a layer of glass filings on it that can get into your hands when you try to re-use it. Let me know if you want to bring your tank over and we can get it drilled next week.

    --AJ
     
  8. CREYNOLDS

    CREYNOLDS

    184
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    That would be awesome!! Really thanks for your help. I'm open anytime next weekend, let me know what works for you.
     
  9. Bud Loves Bacon Website Team Board of Directors Leadership Team GIRS Member Vendor

    West Des Moines, IA
    Ratings:
    +1,821 / 14 / -0
    I thought drilling a tank would be hard, but it's not. I drilled a 10 gallon by using 2 pieces of 1x4 pine, one on the underside and one on top with a 'guide' hole drilled in it, then I clamped both pieces on with C clamps and kept the bit wet with a spray bottle. Then once the hole was started, I took the top piece of wood off and put 2 smaller piece of wood under the C clamps on the top side, and re-clamped it with the bottom wood still in place. This way I could spray the bit continuously. I used a variable-speed cordless drill (not an impact drill) on a high torque setting and went slow, but it still took only like 2 minutes. Everything I read online said 1/8" glass would take 20 minutes, I don't know where they got that from.

    For the thicker glass I would to the same as above, but when to the point of removing the guide, I would build the putty dam and fill it with water, I have also heard the vegetable oils works.

    The way I did it helps to prevent the glass from chipping on the back side when the bit breaks through. The glass doesn't fall away and pull a chip on the back side if it's not completely cut through perfectly evenly. I don't know if that's the best way to do it, but it seemed to make sense to me.
     
  10. AJ

    AJ Inactive User

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    I've not tried that method on glass, but I know it works well with drilling wood.  Makes sense that it would make for a cleaner cut hole.  I'll have to try that.
    --AJ
     
  11. AJ

    AJ Inactive User

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    PM me and let's schedule a time.  Next weekend is not good, but we can work on scheduling for a week night.
    --AJ
     
  12. CREYNOLDS

    CREYNOLDS

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    So I want to run the coast to coast calfo system. I'm thinking running two corner overflows with it connected in the middle by a center overflow. I'm thinking 1" bulkheads two intake and one incase overflow. Any suggestions?
     

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