I have read that fluconazole doesn't work on all types of hair algae, but it has always worked for the hair algae I've had if you give it the full 2 weeks. Bryopsis too of course. I'm actually treating a tank with it right now. I've had moderate success with Vibrant in the past too, but it took a lot longer and had to dose more than directed. I'm sure it really comes down to what specific species of algae you're dealing with though+1 on @chaples55 post, except I'd try API AlgaeFix instead of Flux Rx. Fluconazole is great for Bryopsis which i don't believe you have. Flux RX is fluconazole. I don't believe it's effective for hair algae. I've used the highly overpiced Vibrant with great success, which we now know is the same as the much less costly API AlgaeFix.
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