It is my understanding that PE is a result of the coral sensing a level of available nutrient in the water. Like for example a Sun Coral and our ability to train it to open. A lot of fish feeding will trigger PE of all corals.
I don't believe sand storms would cause a lack of PE as most wild corals live in very turbulent areas with waves crashing directly on top of them.
It's my belief Potassium could be a trigger that tricks the coral to believe food is available. I also am a believer that Potassium is an important in a reef, but be very careful as over dosing will kill fish
J
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08-07-2011, 04:39 PM
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