Keeping sand and laterite separate? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 06-01-2010, 01:45 AM Thread Starter
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Arrow Keeping sand and laterite separate?

hi all,

I am starting up my 60 gallon soon. I got a lot of the components squared away. I will be using pressurized c02, the lighting and filtration issues are worked out. Now on to substrate! I will be using fine sand as my substrate. Should i worry about placing laterite underneath? I heard through lurking around here that it eventually works its way to the top. I definitely don't want that. How do i keep the layers from mixing? or should i not worry about conditioning the substrate and just feed my plants via the water column? i want to grow foreground plants. HC, dwarf hairgrass, glosso, or maybe a riccia carpet. TIA


-Rey-

PS: I want to grow them emersed and let the runners form the carpet before filling and stocking.
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post #2 of 4 (permalink) Old 06-01-2010, 04:46 AM
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An additional question for anyone interested to answer: in a set up like the one Mr BrownThumb (ehem) has described, would moving the tank (moving house in a year or two) cause a substrate catastrophe?
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post #3 of 4 (permalink) Old 06-01-2010, 01:27 PM
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I am not a fan of laterite for several reasons. It breaks down, it works its way up, and doesn't last particularly long. Sand a quality root fertilizer(ahem!) will do the trick with good column dosing. There is something to be said for a quality sediment(either high nutrient soil or nutrient enriched with fertilizer) and quality water column dosing.
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post #4 of 4 (permalink) Old 06-01-2010, 05:07 PM Thread Starter
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Quote:
Originally Posted by over_stocked View Post
I am not a fan of laterite for several reasons. It breaks down, it works its way up, and doesn't last particularly long. Sand a quality root fertilizer(ahem!) will do the trick with good column dosing. There is something to be said for a quality sediment(either high nutrient soil or nutrient enriched with fertilizer) and quality water column dosing.
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carpet, laterite, riccia, sand

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