The reason i think its potassium is after i dose k balance in the tank the pe is wild might be similar to after feeding the tank tho and the corals are just trying to absorb as much as possible.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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