Aquarium Decoration (Rocks, Plants and Substrates) • limestone?

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limestone?

Postby Darla4022 » Fri Aug 07, 2020 1:04 pm

IMG_6350.jpg
IMG_6348.jpg
is this limestone? I can scratch it on the cement and makes a chalk-like mark.
IMG_6349.jpg
tia. I hope this post came out ok. first time. Darla4500
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Re: limestone?

Postby ken31cay » Fri Aug 07, 2020 2:27 pm

Drop some undiluted lemon juice on it, if it fizzes then it is most likely limestone.
450gal Frontosa (blue Zaire Moba) & haps
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Re: limestone?

Postby Darla4022 » Fri Aug 07, 2020 2:35 pm

I put vinegar on it and it does fizz some, I want to decorate my new peacock tank with them. is there a limit on how many i can put into the tank due to increase in ph?
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Re: limestone?

Postby ken31cay » Fri Aug 07, 2020 3:35 pm

It's probably limestone if it fizzes with vinegar. No limit due to increase in pH. What is the pH of your water source?
450gal Frontosa (blue Zaire Moba) & haps
180gal school of Red Rainbowfish
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Re: limestone?

Postby DJRansome » Fri Aug 07, 2020 4:23 pm

Consider smooth rocks to head off any abrasion injuries.
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Re: limestone?

Postby Darla4022 » Sun Aug 09, 2020 8:57 pm

which other rock would work? i need to increasr ph and water hardness, thats why I was thinking of these. Im just going to put 7-8 of them in center with fake plants, no caves or anything like that for peacock cichlids all male.
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Re: limestone?

Postby DJRansome » Sun Aug 09, 2020 9:00 pm

Unless your pH is VERY low limestone rock is not likely to impact your pH. It does not dissolve fast enough.

What is the test result for KH? If you have a very low pH and KH some crushed coral in the filter would be your best bet. The water being forced through the crushed coral dissolves it a tiny little bit faster than using limestone rocks as your decor.
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75G Demasoni, Msobo, Lucipinnis
75G Calvus, Similis, Petricola
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Re: limestone?

Postby Darla4022 » Fri Aug 14, 2020 5:08 pm

what about pool filter sand, everybody swears by it and says its rounded, I read that its edges are sharp and that is how it filters out debris in the pool filter, and they change it out when it gets round. can you explain, I have pictus catfish, and if its sharp it would injure them, tia
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Re: limestone?

Postby DJRansome » Fri Aug 14, 2020 5:15 pm

It is not round, but you may not want pictus with Africans anyway.

I keep Synodontis with pool filter sand and their barbels are fine.
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Re: limestone?

Postby Darla4022 » Sun Aug 16, 2020 12:01 pm

no the pictus are going into another tank, so the pool filter sand is not good then, due to it being sharp correct? im cofused, if not round sharp right? then why is everbody using it, they dont relly know if its hurting the fish then correct? please explain.
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Re: limestone?

Postby DJRansome » Sun Aug 16, 2020 12:05 pm

I read that too, and I have both round substrate and sharp substrate. Absolutely no problems with catfish barbels. In my mind the concern about sharp grains is a fishkeeping myth.

Did you see my comment that their barbels are fine on pool filter sand?

Pool filter sand is HIGHLY recommended.
125G Borleyi, Multipunctata
75G Demasoni, Msobo, Lucipinnis
75G Calvus, Similis, Petricola
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Re: limestone?

Postby Darla4022 » Sun Aug 16, 2020 5:19 pm

Ok, thank you for your help!
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