Charlie I was using a ton of B ionic Magnesium on my 120G (about 1 gal every 2-3 weeks). Somone gave me some of those Magnesium granules from the zeovit site (goes inside calicum reactor) and now my Magnesium level stays at 1290ppm with no other additives.
guys,
there is a lot of info u can get from www.zeovit.com
i can alwast give some recomendation,based on my expirience.
ricki,
i use to have sand bed,and i had no problem of using zeo..
wefr,
u can get mg granulas from ww.capriveoceans.com