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Thread: GPH filter

  1. #1

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    Default GPH filter


    0 Not allowed!
    So I have a Cascade 1500 rated at 350GPH. I'm starting to think that is way to small for my 180 Gallon fish tank. Cascade advertises the filter is good up to 200 gallons.
    180 Gallon:
    1-Motoro Stingray
    1- Mantilla hybrid Stingray
    1- Black Henlei/Leopoldi hybrid Stingray
    1- 14" Spotted Gar

    40 gallon Breeder grow out tank:
    1- 6” Tiger Shovelnose Catfish

  2. #2

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    Default


    0 Not allowed!
    What makes you think it is too low?

  3. #3

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    Default


    0 Not allowed!
    Every time I stir up the play sand it takes 3 days for the water to clear up. I also did a very thorough clean of the sand before I put it in the tank.
    180 Gallon:
    1-Motoro Stingray
    1- Mantilla hybrid Stingray
    1- Black Henlei/Leopoldi hybrid Stingray
    1- 14" Spotted Gar

    40 gallon Breeder grow out tank:
    1- 6” Tiger Shovelnose Catfish

  4. #4

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    Default


    2 Not allowed!
    Play sand is not ideal for fish tanks, the grain size is much too fine.
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  5. #5

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    Default


    1 Not allowed!
    Quote Originally Posted by freshwaterfishlover View Post
    Every time I stir up the play sand it takes 3 days for the water to clear up. I also did a very thorough clean of the sand before I put it in the tank.
    I used playsand before. I had to spend 10-15 minutes cleaning sand that filled a 5 gallon halfway before using in my tank. Once in my tank, after 1 week, I never experience what you experienced with playsand. When ever I stirred it up or the gold fish stirred it up, the water did not become cloudy.

    The Cascade is fine for tanks that stocked moderately or low (no more than 50% capacity of the tank). Once you reached 100% stocking, you will need 2 of those to handle the bioload.

    Playsand is ideal for sand sifters
    Last edited by Rocksor; 10-22-2018 at 12:35 PM.

  6. #6

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    Default


    2 Not allowed!
    You could buy an intake sponge to add to your filter after you mix up the sand. Adding more mechanical filtration should help clear the water quicker. How thoroughly did you clean the play sand? I have used it on multiple tanks, and I had this issue on my first couple as I just didn't rinse it good enough. Like rocksor, I ended up cleaning small portions of the bag of sand in a 5g bucket until the water was clear after adding it.

    My first couple of tanks I tried cleaning too much of the sand at once and wasn't able to get all of the fine particles out.
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  7. #7

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    Default


    1 Not allowed!
    350gph is very very low for a 180g in my opinion... I'd be getting a canister, maybe two and looking for a turn over of around 1200-1500gph minimum depending on what I was putting in it.
    My 55g has a aquaclear 70, marineland penguin 200b, and an eheim 2217. The two hobs put me around 500gph and the cannister is rated up to 150g I believe around 265gph but being a canister it's considered a bit differently.

  8. #8

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    Default


    0 Not allowed!
    I also think its not enough. On my 75 I also have two HOB; an Aqueon QF 75 with my own media inserted (400 gph) and a Seachem/Sicce Tidal 75 (350 gph) plus the Eheim 2217 (264 gph). If I am calculating correctly that's a turnover of 13 times an hour. However my tank had three fancy goldfish and 4 Dojo loaches (half a dozen trapdoor snails and 4 nerite snails), your tanks may not have the bioload but I would add another filter at the least. I always try for 5x tank turnover with any filters, more if you have fish that have bigger loads on the tank; i.e. plecos and goldfish.
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  9. #9

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    Default


    0 Not allowed!
    I was thinking of getting another Cascade 1500 canister filter rated at 350 GPH.
    180 Gallon:
    1-Motoro Stingray
    1- Mantilla hybrid Stingray
    1- Black Henlei/Leopoldi hybrid Stingray
    1- 14" Spotted Gar

    40 gallon Breeder grow out tank:
    1- 6” Tiger Shovelnose Catfish

  10. #10

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    Default


    1 Not allowed!
    Don't judge a filter by the GPH. The cascade has 5 media baskets, which is a lot of space for bio-media. The Filstar XP3 Large canister has the same GPH and only has 3 media baskets, and is rated up to 175g tank. The eheim 2217 is rated at 264gph and is rated at up to 160g tank. The eheim Pro 600 holds just a tad more media than the 2217 in 4 media baskets, but runs at 330gph for up to 160g tank.

    I've got a 240g tank, and never ran over 1000gph for canister filtration. I had a decently stocked tank running just an eheim 2028 and an eheim G160 (2075), a total of ~600gph with no issues with ammonia or nitrite. It was packed with bio-media since I was more concerned with ammonia to nitrate conversion versus mechanical filtration.

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