Oct 27, 2019 #1 jasonrusso 2500 Club Member View Badges Joined Apr 21, 2014 Messages 3,262 Reaction score 2,402 Location Haverhill, MA Rating - 0% 0 0 0 How dark does purigen get? Is this worn out or does it get really brown before needing a recharge?
Oct 27, 2019 #2 P-Dub The ocean is open to all, merciful to none. View Badges Reef Squad Excellence Award Reef Tank 365 SDMA Member Hospitality Award My Tank Thread Joined Sep 30, 2017 Messages 5,455 Reaction score 23,499 Location West Pacific Rating - 0% 0 0 0 It is always hard to tell. When in doubt, just recharge. I would do it whenever mine looked like that granted, I didn't monitor it really closely.
It is always hard to tell. When in doubt, just recharge. I would do it whenever mine looked like that granted, I didn't monitor it really closely.