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Re: Aquatic Plants Digest V3 #1192
In a message dated 8/4/1999 1:51:28 AM Mountain Daylight Time,
Aquatic-Plants-Owner at actwin_com writes:
> Are trace elements added to the substrate a reasonable alternative? I've
> heard of people using fritted trace elements; what's the success record
> like? Are there other substrate-bound trace element sources?
Pyrophillitic clay would be one such source, with not a lot measuring or