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Taking pH changing stuff out of substrate
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CCS
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Joined: 08 Oct 2005
Location: SLO County, CA, USA

PostPosted: 2005.11.18(Fri)21:30    Post subject: Taking pH changing stuff out of substrate Reply with quote

Is there a way I can take the pH changing stuff out of aquarium substrate?
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Jose
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Joined: 27 Oct 2005
Location: Australia

PostPosted: 2005.11.18(Fri)21:48    Post subject: Reply with quote

soaking it in fairly strong Hydrochloric acid will slowly remove all of the alkalide substances. Works very slowly if the grains are big.
You can get HCl from a large hardware usually.
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2005.11.19(Sat)1:33    Post subject: Reply with quote

What is this substrate? If it is a calcium based one and you add acid to it you will not have much substrate left. If you are having high dkh issues, it may not be the substrate.
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110 Gallon DSA Pentagon
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CCS
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Joined: 08 Oct 2005
Location: SLO County, CA, USA

PostPosted: 2005.11.19(Sat)11:01    Post subject: Reply with quote

It's a sand with 1mm to 2mm granules. It will change the water pH to around 7.0. My water is around the 6.2 area my perfect pH would be 6.5. So I really don't need the pH changing stuff in my sand.

Wait a minute, ottos like it at 7.0. Maybe I shouldn't take the stuff out.

I don't know if it's calcium based, so here's a link: http://www.carib-sea.com/pages/products/fresh/freshsub.html

It's the Peace River one.
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Jose
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Joined: 27 Oct 2005
Location: Australia

PostPosted: 2005.11.19(Sat)23:05    Post subject: Reply with quote

nearly all sand has calcium and magnesium and has very small grains so if you use acid on it you will probably lose half of it, I used Hydrochloric acid on my aquarium gravel to remove the buffer but regretted it when I added CO2 injection and the pH plumetted to 5.9 so I added more gravel.
Ottos and most other fish will live happily at a pH of 7 just as long as it doesn`t drammaticly change e.g. when my tank went from 6.8 to 5.9 it became 10 times more acidic.
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2005.11.19(Sat)23:47    Post subject: Reply with quote

I wouldn't worry about it. Freshwater fish adapt very well to their surroundings, and as was said it will be OK as long as there are no rapid changes.
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Jose
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Joined: 27 Oct 2005
Location: Australia

PostPosted: 2005.11.20(Sun)5:35    Post subject: Reply with quote

If you want a non buffering substrate go for some crushed granite, very realistic and attractive but can be expensive if brought as an aquarium product, I brought mine from a landscape suplies store for 15.99 per ton
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