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  • Results 1 to 12 of 12

    Thread: lava rock or feather rock

    1. #1
      ben is offline Senior Member
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      lava rock or feather rock

      hello all.i like to build shower filter and which one work better . red lava rock or light black or gray feather rock? thanks ben

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    2. #2
      Cowiche Ponder's Avatar
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      what do you have most readily available? Feather rock is lighter, lava rock usually more readily available and cheaper. Lighter weight can be a factor for some.

    3. #3
      berkokid is offline Senior Member
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      same basic bio filtration capacity. lava rock - it's red ... reallllly red. If you use it - wash it off extremely well before adding it to your filters. Then - run your filters dumping the water to a garden bed or sump or something to get as much red dust as possible off the rocks before feeding the water to the pond.
      - Jonathan
      - aka "Berko"

    4. #4
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      Feather rock was recommended to me but if you find it, you'll have to break it up into smaller pieces. I used a mallet and a chisel to do it, as well as a small masonry hand saw. It's a pain to do, to me, but some don't mind an at least it's done, now. You could also cut it with a masonry saw of some sort. It is said, by some, to have better filtration properties than regular lava rock because it's a lot lighter weight and more porous. I just hope it'll last for a few years. I don't know the life of it when used as a filter media. Maybe someone will comment on how to clean it when it needs it, etc.


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    5. #5
      ben is offline Senior Member
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      Quote Originally Posted by Cowiche Ponder View Post
      what do you have most readily available? Feather rock is lighter, lava rock usually more readily available and cheaper. Lighter weight can be a factor for some.
      hello. i like to made that filtration for 8 ft show tank. thanks ben

    6. #6
      ben is offline Senior Member
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      Quote Originally Posted by berkokid View Post
      same basic bio filtration capacity. lava rock - it's red ... reallllly red. If you use it - wash it off extremely well before adding it to your filters. Then - run your filters dumping the water to a garden bed or sump or something to get as much red dust as possible off the rocks before feeding the water to the pond.
      hi. thanks for all info and help. ben

    7. #7
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      Feather rock is much more porous, therefore better. But depending on availability and cost, lava rock is a good choice also.

    8. #8
      ben is offline Senior Member
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      Quote Originally Posted by sworley View Post
      Feather rock was recommended to me but if you find it, you'll have to break it up into smaller pieces. I used a mallet and a chisel to do it, as well as a small masonry hand saw. It's a pain to do, to me, but some don't mind an at least it's done, now. You could also cut it with a masonry saw of some sort. It is said, by some, to have better filtration properties than regular lava rock because it's a lot lighter weight and more porous. I just hope it'll last for a few years. I don't know the life of it when used as a filter media. Maybe someone will comment on how to clean it when it needs it, etc.
      hello. i find feather rock the sale in ottawa 0.75 lb and top of the rock i want to put 1.5 inch malta mat.thanks for your info and your time. ben
      Last edited by ben; 06-09-2010 at 08:39 PM.

    9. #9
      ben is offline Senior Member
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      Quote Originally Posted by birdman View Post
      Feather rock is much more porous, therefore better. But depending on availability and cost, lava rock is a good choice also.
      hello steve. i find feather rock in ottawa only five minutes drive from my home and the sale 0.75 lb. thanks for all your help and info.ben

    10. #10
      birdman's Avatar
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      Quote Originally Posted by ben View Post
      hello steve. i find feather rock in ottawa only five minutes drive from my home and the sale 0.75 lb. thanks for all your help and info.ben
      You bet, now go get it.

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    11. #11
      ben is offline Senior Member
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      Quote Originally Posted by birdman View Post
      You bet, now go get it.
      thanks. ben

    12. #12
      ben is offline Senior Member
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      thanks

      thanks evryone for all info and help and thanks to bill from koi pond central for send me the nice show tank and air pump with fast shipping and good prices. ben

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