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Page 1 of 4 123 ... LastLast
Results 1 to 10 of 33
  1. Default How low is the intake on your HOB?


    0 Not allowed!
    I'm wondering how low everyone's intake is on their HOB's. I've always thought for the best circulation the intake should reach just above the substrate, which is what I've done. I do have problems removing my pre-filter sponge because there is no room to pull it downward. So have I simply gone too low? I've noticed pics of many experienced aquarists tanks and I see intakes quite a few inches above the substrate. What are your thoughts? Should I lighten "UP"??

  2. #2

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    Default


    0 Not allowed!
    Well, I can tell you that with the AC70 on the 40B, I could only use one of the intake tubes on the intake, two would have buried the intake partially in the sand substrate...but my substrate is deep, probably too deep

    Even if it weren't, I'd still prefer to have it like it is...the very bottom of my intake tube is maybe 3" above the sand, with a PFS attached....it's mostly hidden behind my DW stump
    10 Gallon Beginner Tank... Journal

    40 Gallon Breeder: ... Journal

  3. Default


    0 Not allowed!
    So maybe having the intake all the way to the bottom isn't all that important?? I'm thinking I'm making things difficult for myself....

  4. #4

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    Default


    0 Not allowed!
    My intakes on cannisters and HOB are about 2 inches off the substrate. It's just where they are, no particular reason.
    Warning; Bulldog Pleco guarding my Sons tank now..

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  5. Default


    0 Not allowed!
    I put the intake as low as I can get it with the supplied tubing. Sometimes that puts it very near the bottom, sometimes not so much. I don't think it makes a huge amount of difference.

    -S

  6. #6

    Default


    3 Not allowed!
    The argument for putting them closer to the substrate, is because the most toxic water will be lowest in the water column. That makes sense, because that's where fish poop, decaying plant matter and food end up.

    I have all of my intakes as close to the substrate as I can get them, with exception to one in the 75gal. I have that a little higher - about mid-tank. The only reason is because I don't have an extension tube for it, but I'm not very worried about it. As long as it's pretty low in the water column, you should be fine.
    Adventures in Aquaria - The KevinVA Story

    When in doubt, ask yourself... W.W.L.S (What would Lee Say)?

    Have a fish problem? Fill out and post this completed questionnaire in the General Aquarium Forum, when you start a new thread.

  7. #7

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    TGIF indeed - RiversGirl TGIF back at you! - Taurus TGIF back to you! - wgoldfarb TGIF - Taurus right back at cha! - fishmommie 
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    Default


    0 Not allowed!
    It seems to me that the lowest you could place it, the better...just because the waterfall may get instantly re-taken up by the filter instead of circulating through the tank...but that's just a guess

    As others have said, I don't really think it makes much difference, except for aesthetics, depending on what you have in the tank to hide (or camaflouge) it or not

    The tubes on most HOB's could be cut to customize, I would guess

    EDIT: Once again, ninja'd by Kev, who has a much better explanation
    10 Gallon Beginner Tank... Journal

    40 Gallon Breeder: ... Journal

  8. Default


    1 Not allowed!
    Maybe I need to "customize" the length of my intake...as it sits right now my intake is right at the substrate...kind of a pain!!

  9. Default


    0 Not allowed!
    I use two aqueon 55's on my 36, one closer to the substrate one about mid way, just incase it makes a difference (not that I've noticed one while they were in other positions)

  10. #10

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    TGIF indeed - RiversGirl TGIF back at you! - Taurus TGIF back to you! - wgoldfarb TGIF - Taurus right back at cha! - fishmommie 
    TGIF back at you :) - steeler58 Happy B Day! - Taurus Which leaves on to ask which came first the cake or the beer! - Taurus Happy B-day buddy! - steeler58 Happy 51st...and many more! - Rue 
    Congrats on your cycle!! - RiversGirl thanks - fishmommie Have a Cory for passing 15,000 post's; WOW!! - steeler58 Thanks for the rep ;-) - steeler58 Merry Christmas - steeler58 
    Merry Christmas buddy - fishmommie Merry Xmas To You! - Sandz Merry Christmas - DougStanley TGIT (Thank God it is Thursday) - afro123 You're A Great Asset To AC - metweezer 
    Troop and Military Support - Amber Alert - Bladder Cancer - Endometriosis - Equality - Liver Cancer - Liver Disease - Missing Children - POW/MIA - Spina Bifida - Suicide - steeler58 Breast Cancer - Birth Parents - steeler58 Cancer - Epilepsy - Foster Care - Gynecological Cancer - Rett Syndrome - aquariumlover10 Cancer - Epilepsy - Foster Care - Gynecological Cancer - Rett Syndrome - gronlaura Breast Cancer - Birth Parents - SeaLady 

    Default


    2 Not allowed!
    Quote Originally Posted by DeboraBremner View Post
    Maybe I need to "customize" the length of my intake...as it sits right now my intake is right at the substrate...kind of a pain!!
    It's easy, just mark where you want the top wide flange of the bottom tube to fit onto the top tube, and cut the bottom of the top tube off enough to accomodate
    10 Gallon Beginner Tank... Journal

    40 Gallon Breeder: ... Journal

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