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Thu Jul 20, 2006, 09:09 AM
#1
discus and onyx sand ?
I am thinking of useing onyx sand in a planted discus aquarium ,but someone told me that onyx would raise the ph to much is this true ?
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Thu Jul 20, 2006, 10:50 AM
#2
I have read on other posts that people have sucessfully used it with discus. It will initially raise your PH but after a while it will settle and will be fine.
Discus can handle a wide PH range as long as it is stable.
Dave.
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Fri Jul 21, 2006, 08:29 AM
#3
what do you mean by onyx sand? Are you talking marble chips type sand?
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Fri Jul 21, 2006, 04:21 PM
#4
I was refering to seachem onyx sand . They recommend it for planted aquaria . It has a buffering effect on the water .I was told this would raise ph , making it unsuitable for discus. Would this buffering effect slow down as it got older ?
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Fri Jul 21, 2006, 11:57 PM
#5
Idon't know what Seachem use as their base. I have used a sand made from marble chips. It isn't causing any pH problems for me although it is very alkaline. I do have it in a 683 litre tank.
HTH
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Sun Jul 23, 2006, 05:18 AM
#6
Just be aware that Seachem's onyx sand is actually a light silvery-grey colour in the tank.
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