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post #2 of (permalink) Old 01-12-2013, 03:07 AM
Seattle_Aquarist
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Join Date: Jun 2008
Location: Seattle, WA
Posts: 3,396
Hi Akira,

Montmorillonite clay has a high CEC index and plants do very well in it. Currently I have been using Safe-T-Sorb #7941 in my planted tanks. It has a nice natural color, a variety of grain sizes, and plants root well in it. It is dusty and requires a good cleaning prior to first using it. It is available online at Drillspot for $9.29 per 40# bag with free shipping included.
http://www.drillspot.com/products/14...bsorbant_40_lb

Here is a picture of my 10 gallon, with Safe-T-Sorb substrate. This tank has no CO2, just Flourish Comprehensive and Flourish Excel. The baby Corys have been in there for over 3 months and have doubled in size.

Roy
75 Gallon, 2X55W AH Supply CF 8800K, 1XMarineland Doublebright, 2X Marineland 350 Magnum; 45 Gallon Tall, 96Watt AH Supply CF 6700K; 30 Gallon Long; 2X36W AH Supply CF 6700K; 20 Gallon, 1X26W AH Supply LED kit; all with Press. CO2; (Calcined) Montmorillonite Clay
Greater Seattle Aquarium Society (GSAS)

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