Aquatic Plant Central - View Single Post - How-To: Mineralized Soil Substrate, by Aaron Talbot
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Old 04-23-2009, 02:21 AM   #101 (permalink)
BTLee
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Default Re: How-To: Mineralized Soil Substrate, by Aaron Talbot

Dear Aaron,

First of all, thanks for sharing such an informative article on the subject.
In fact your article was quoted in a Malaysian based Planted Tank forum and it has attracted a lot of attention and encouraged many to try out the said process.

I have a some related questions on the subject of DIY substrate and I hope your experience will be helpful.

In my locality, laterite ( locally called 'red earth' and which I belief is the Clay you mentioned ) is readily available.
A few of the local hobbyist including me is also toying with the idea of using this laterite as the primary substrate for our planted tank.
What do you think, if we mix this laterite ( without top soil ) with some fine gravel/course sand and use the mixture as the bottom substrate then, ( to prevent excessive clouding of water ), top this bottom substrate with another layer of pure fine gravel/course sand.

I also assume that using this laterite, we do not have to mineralize it the way we use top soil instead.

Your comment and recommendation is highly appreciated.

Rgds

BT Lee
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