In medical terms, I believe prophylactically would be treating an entire tank with no animals presenting symptoms. If one coral has BJD, treating the tank would not be prophylactic in this case, because there is a disease present.
@Tired most of the point of this thread is that Ciprofloxacin is effective at low dosages and doesn’t statistically significantly affect the bacterial populations of the species @AquaBiomics tested for, at the dosage in his protocol. There was no significant impact on the bio filter. Also, the reduction of ammonia in reef is vastly more complex than the hyper-simplified freshwater version of NH3>NO2>NO3>N2 we’ve all seen repeated (Lots more reading on the topic from Eric Borneman, Ron Shimek and @Randy Holmes-Farley). Finally, it would be virtually impossible to wipe out all bacteria in an aquarium via any method, especially ones that would leave the coral alive (actually, not possible, because anything that would effectively eliminate all bacteria would also eliminate all life more complex than bacteria as well, not to mention that all life requires bacteria to survive, both directly and indirectly).
That all being said, Tired is correct that removing the affected coral and treating it separately in a quarantine system is the best move, but sometimes BJD is systemic (multiple affected corals) or the animals can’t be easily removed and/or properly cared for in existing quarantine resources (large colonies, anemones).
@Jimbo78 human or animal grade is likely to be identical.
@Tired most of the point of this thread is that Ciprofloxacin is effective at low dosages and doesn’t statistically significantly affect the bacterial populations of the species @AquaBiomics tested for, at the dosage in his protocol. There was no significant impact on the bio filter. Also, the reduction of ammonia in reef is vastly more complex than the hyper-simplified freshwater version of NH3>NO2>NO3>N2 we’ve all seen repeated (Lots more reading on the topic from Eric Borneman, Ron Shimek and @Randy Holmes-Farley). Finally, it would be virtually impossible to wipe out all bacteria in an aquarium via any method, especially ones that would leave the coral alive (actually, not possible, because anything that would effectively eliminate all bacteria would also eliminate all life more complex than bacteria as well, not to mention that all life requires bacteria to survive, both directly and indirectly).
That all being said, Tired is correct that removing the affected coral and treating it separately in a quarantine system is the best move, but sometimes BJD is systemic (multiple affected corals) or the animals can’t be easily removed and/or properly cared for in existing quarantine resources (large colonies, anemones).
@Jimbo78 human or animal grade is likely to be identical.
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