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Originally Posted by Kgrizzle
Ya that makes sense as to they will only use what they can physically take... Now as for the rest of the stuff u said I got that the waste product from them can be toxic?... There were a lot of big words hahah
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kinda like if you get a new coral and put it too close to a bright light, it will 'bleach' (spit out its symbiotic algae). Something about too much photosynthesis that irritates the coral, it bugs out, spits out its algae.
When a coral eats and respires, the carbon dioxide and pee (dissolved wastes) also feed its symbiotic algae. If too much food to symbiotic algae, algae grows in numbers within coral tissues, that might also irritate the coral in the same way as putting a coral too close to a light too quickly... so "maybe" it can lead to them expelling their symbiotic algae... just a guess but in theory, it might happen if you feed too much over a prolonged period of time (4 times a day over weeks?). At the same time, the coral gets accustomed to getting fed... doesn't depend on its symbiotic algae that much... more dispensable (to be expelled). Reference shows corals prefer food to symbiotic algae when available, and also corals regulate their tissues' level of symbiotic algae based on what's optimal for conditions (light, food, waste levels).
best to just feed once in a while... I 'target' feed my corals for fun whenever I remember, have time, and have left over food from feeding fish. This is about 2-3 incidents a month. Just make sure you have a good reliable light and feeding should only be done on a supplementary basis for the sake of water quality (tank algae control).