[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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 
weighing involved.

Bob Dixon