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#1
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Marble chips for veggie filter?
Lowes didn't have river rock so DS brought home marble chips, which is white
and pretty, for the veggie filter. Is it OK to use marble in the veggie filter or is it bad. Someplace I read it will lower make the water too alkaline? I feel fairly sure that the rocks won't stay pretty and white for very long, too. Thanks for any advice! |
#2
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Marble chips for veggie filter?
"Pam Gibbs" wrote in message
... Lowes didn't have river rock so DS brought home marble chips, which is white and pretty, for the veggie filter. Is it OK to use marble in the veggie filter or is it bad. Someplace I read it will lower make the water too alkaline? I feel fairly sure that the rocks won't stay pretty and white for very long, too. Thanks for any advice! Stolen from Google. [Rod Farlee] [quote] No. Marble is metamorphosed limestone (calcium carbonate) or dolomite (calcium magnesium carbonate). It dissolves with atmospheric carbon dioxide to form the bicarbonate. On average, the world's rivers are saturated with this. Saturation produces moderate hardness and alkalinity (pH buffering), and is typically associated with a stable pH of 7.6 to 8.2. All that's good. Like others here, I used marble gravel in aquaria for years. [quote] I have these on my walkway and aside from the PITA of cleaning the leaves out of them. They are still white. Although the odd piece has rusted. Just make sure you wash them well, as they are very dusty. |
#3
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Marble chips for veggie filter?
Can you avoid rocks entirely? They are hard to clean. Could you let the
plant roots do the filtering and then just drain or vacuum out the muck rather than have rocks to provide surface for the bacteria? Might make life a lot easier. The rocks, themselves, will become algae covered and look the same as river rock: dark. Bill is right about the buffering they provide. Good luck. Jim -- ____________________________________________ See our pond at: home.bellsouth.net\p\pwp-jameshurley Ask me about Jog-A-Thon fundraiser (clears $120+ per child) at: jogathon.net "Pam Gibbs" wrote in message ... Lowes didn't have river rock so DS brought home marble chips, which is white and pretty, for the veggie filter. Is it OK to use marble in the veggie filter or is it bad. Someplace I read it will lower make the water too alkaline? I feel fairly sure that the rocks won't stay pretty and white for very long, too. Thanks for any advice! |
#4
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Marble chips for veggie filter?
"Pam Gibbs" wrote in message
... Lowes didn't have river rock so DS brought home marble chips, which is white and pretty, for the veggie filter. Is it OK to use marble in the veggie filter or is it bad. Someplace I read it will lower make the water too alkaline? I feel fairly sure that the rocks won't stay pretty and white for very long, too. Thanks for any advice! Stolen from Google. [Rod Farlee] [quote] No. Marble is metamorphosed limestone (calcium carbonate) or dolomite (calcium magnesium carbonate). It dissolves with atmospheric carbon dioxide to form the bicarbonate. On average, the world's rivers are saturated with this. Saturation produces moderate hardness and alkalinity (pH buffering), and is typically associated with a stable pH of 7.6 to 8.2. All that's good. Like others here, I used marble gravel in aquaria for years. [quote] I have these on my walkway and aside from the PITA of cleaning the leaves out of them. They are still white. Although the odd piece has rusted. Just make sure you wash them well, as they are very dusty. |
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