60g or 1200g not anything different done except larger equiptment and larger water changes. let's see, research and developent, pretty much all of zeo's stuff you can buy from any other company, and has been out long before, most companies didnt market it the same way zeo does, like i said i am not taking anything away from zeo, as i have not used it myself nor seen a tank in person who does, my tank is the only one i have seen in person who use's carbon or ran the brightwell system, other's here do as well, one thing i will say alot of people have tried stuff and just didnt do it long enough to type about it or didnt feel the need to, alot of people have tried stuff and crashed tanks and didnt want to post about it, myself i would try zeo, but id end up missing adding stuff and i dont test my parms enough to run that system, i can tell health of my tank off a few of my corals colors, when water is off, here is a example of 2 large systems i have seen daceman which his is around 500g-700g cal reactor, skimmer and i think a kalk reactor, phos and carbon reactor, albano around 450g and he only runsa skimmer, they both use cheato, albano has a ton of miricle mud also, i do have cheato a handful of it and i do have 2 mangroves, and only still have this stuff in there cause i am too lazy to take it out, the best stuff i have seen or used at controlling doc's and others has been bob's seagrass, when i had it in my seahorse tank i didnt do water changes for 6 months and if i had to clean glass once a month that was alot.