My mixed garden macro tank has ornamental sponges that I purchased but also some that grew off live rock. The water is this tank is saturated with silica but no diatoms. Competition for food & predator behavior from diversity of life forms might explain lack of diatoms.
@Randy Holmes-Farley
Is silica consumed by other marine organisms beside diatoms & sponges?
I have used a regional agriculture lab for macro and water analysis, but never considered testing for silicates in macro.
Gracilaria Parvispora
N at 2.59%
P at 0.082%
K at 13.54%
Ca at 0.555%
Mg at 1.163%
S at 4.81%
Zn at 139ppm
Fe at 107ppm
Mn at 20ppm
Cu at 7ppm
@Randy Holmes-Farley
Is silica consumed by other marine organisms beside diatoms & sponges?
I have used a regional agriculture lab for macro and water analysis, but never considered testing for silicates in macro.
Water Analysis - Ward Laboratories, Inc.
www.wardlab.com
Gracilaria Parvispora
N at 2.59%
P at 0.082%
K at 13.54%
Ca at 0.555%
Mg at 1.163%
S at 4.81%
Zn at 139ppm
Fe at 107ppm
Mn at 20ppm
Cu at 7ppm