Quote:
Originally Posted by fishytime
The Zeo system essentially starves the system of nutrients causing the coral to extend their polyps fully in an attempt to feed. It may be that your system is nutrient rich and thus your sps doesnt need to extend to its full potential to receive nutrients. Just my opinion.
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Well not quite true because you are putting all kinds of food back into the water for corals. Essentially you are stripping the water of good and bad and then putting the right amount of good back. The ZEO system is designed to give tanks as close to natural reef conditions as possible.
The higher the nutrients you have in your tank, the more unicellular algae such as zooxanthellae the corals are taking in and some species (most all sps) will then brown out and yes not extend polyps much anymore. If you were to actually strip the water of all nutrients, you would kill your corals (this happens when you go too fast with ZEO). Many ZEOvit users have some of the nicest colors and growth, so they certainly are not starving corals--the fact that so many ZEO users see a big increase in growth would indicate that its actually the opposite. This is why many ZEO users have to "up" their bioload and feed heavily.