Sand vs sand vs sand.... - Page 4 - Tropical Fish Keeping - Aquarium fish care and resources
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post #31 of 32 Old 12-21-2012, 04:23 PM
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Quote:
Originally Posted by patadams66 View Post
Umm what's this about black sand? I def have some
Showing on the glass...is that bad? What should I do about it?
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There is a difference between "black" as I think DKRST meant it, and the normal darkening that I have just below the top of the substrate along the front on all my tanks, be they gravel, sand or Flourite. A few times I have pushed the siphon down and pulled up all the gravel, and this "film" is on the glass and will come off, usually with a light scraping. I've never bothered with it.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #32 of 32 Old 12-21-2012, 06:14 PM
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Opps, sorry I wasn't specific enough! The "black sand" I was referring to are areas in my play sand tanks that start getting anaerobic and develop dark black areas (low O2 and starts getting black from hydrogen sulfide-generating bacteria), It's just aesthetically ugly to me, that's why I stir that particular area up - it oxygenates that area and eliminates the o2-poor spot, at least temporarily. As I said, I like a deep sand substrate (3-4") to support the roots of my swords and that leads to more potential issues with deep compacted sand areas. I have never had any issues in terms of hydrogen sulfide/compacted sand problems even when I don't regularly de-compact the sand in my tanks.

18 species/varieties of fish, 15 species/varieties of plants - The fish are finally ahead of the plants!
*560 gallons (2120 liters) in 5 tanks -> you do the math.
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