Re: [APD] sand choices

["Richard J. Sexton" <richard at aquaria_net>]

At 03:27 PM 4/20/2005 -0500, you wrote:
>
>> What's wrong with play sand from Home Depot?  It is usually fairly light
>> colored and already washed.
>>
>> -Nick
>
>The "play sand" I've seen has very fine granules and may not be a sound sand
>choice:-) Being fine, it will compact, become
>anaerobic, which is bad. I used this over a soil underlayment and it quickly
>became a nightmare to the eyes.....and olfactories:-)
>TIA, YMMV,

I've used it for decades. Works fine. It contains metal particles though
which you could remove with a magnet. I don't bother. Recall Horst
and Kippers water analysis of crypt water. 1.5ppm of both ferric
and ferrous iron.


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