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Sk8r · 05/20/2018, 08:09 AM

I've been watching this because I am also interested in an answer with experience and you seem to be on the edge of unexplored territory, so I thought I'd give you at least my best guess---and understand, it is only a guess.

If I had a truly bad situation, this is what I would do: first be absolutely sure your ro/di is up to snuff. A bad filter can be an ongoing issue, so be sure the water you're putting in is good. Then if that's a sure thing, and you want to re-dose, I'd do a 30% water change, and after a few days, do another 30%. Then re-dose, but watch everything closely for reactions, and have another 30% water change standing ready in case you don't like what you see.

Mind, this is only guesswork, trying to give you SOME sort of answer, based on being pretty sure you're clear of the first dose and being sure your water is good. Running a little carbon after dose #1 wouldn't be a bad idea either, then stopping it if you re-dose. Go carefully. My instructions say turn off your skimmer for 3 days. In the interest of removing crud, you might let that skimmer run for a few days before trying this again.

05/20/2018, 08:09 AM	#2
Sk8r RC Mod Join Date: Feb 2006 Location: Spokane WA Posts: 34,628 Blog Entries: 55	I've been watching this because I am also interested in an answer with experience and you seem to be on the edge of unexplored territory, so I thought I'd give you at least my best guess---and understand, it is only a guess. If I had a truly bad situation, this is what I would do: first be absolutely sure your ro/di is up to snuff. A bad filter can be an ongoing issue, so be sure the water you're putting in is good. Then if that's a sure thing, and you want to re-dose, I'd do a 30% water change, and after a few days, do another 30%. Then re-dose, but watch everything closely for reactions, and have another 30% water change standing ready in case you don't like what you see. Mind, this is only guesswork, trying to give you SOME sort of answer, based on being pretty sure you're clear of the first dose and being sure your water is good. Running a little carbon after dose #1 wouldn't be a bad idea either, then stopping it if you re-dose. Go carefully. My instructions say turn off your skimmer for 3 days. In the interest of removing crud, you might let that skimmer run for a few days before trying this again. __________________ Sk8r Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low. Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.