I guess if that's the case, the pellets made the tank become ultra ultra LNS and if your alk was a bit elevated it can cause bleaching as this is what I experienced but what I don't get is given the length of time the pellets were online I don't think they will be colonized yet so I really can't see it being anywhere near functional unless you were boosting it with mb7 or zeobak or some other alternative source of bacteria. Since every thing is doing well again I think its best to just leave it alone. Stay with the good old fashion rowphos and carbon.
BTW I do highly believe in running your alk at a lower level when you have low nutrience, it just seem to be easier to cope with for sps since they don't have too much nutrition stored.
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