I believe you are saying... Only Furan2 will work.
I bought it online for 10$ including shipping, and plan on using it tonight using 250ml per one packet, and let soak for 20-30mins. The 250ml water will be salt water with my same salt levels, however it will not be tank water.
Thought about doing it over lunch today, but I think I am going to wait until night when the Zoas are closed, perhaps less shock this way. I do like my frag that I have, but I hope that the ZoaPox clears up with Furan2
Average time to clear up? 6days really?