Cannot comment on the husbandry of zeo.. maybe some other corner geek can... i can comment on ultralith, which is a competitor...
Once established on a 1000l (260gal) system;
daily - 2 things need dosing at 1ml each
weekly - 4 things need dosing at 10ml each
every 6 weeks - need to change some rocks/media and add one more thing daily for about 3 weeks (6drops/day)
It sounds like alot of work, but it really isn't... I had my mom come do the tank - sitting for a week.. no issues.. .here's the 2 liquids, 1ml each day of each... and she was good to go... and food for the fishes...
If you miss a day or two, or three. no big.. just get back on it...
I built a calculator/ramp-up tool for a LFS that has been proven to work on about 1/2 dozen systems thus far... again, for ultralith (
www.faunamarin.de)... it makes things simple... I'm going to add the other dosing elements to the same calculator as an entire "ultra-lith dosing system/schedule" planner...
Oh, that also assumes that you have a reactor, as the zeolith rocks need to be "tossled" each day, perferably several times a day, to keep active... doing it once a day by hand is no big deal, but if you have the $$, building a reactor, or buying one is preferable... Once I figure out how to DIY one, i'll post in that section and link in this forum.