Jan 10, 2026 #1 jweiner Community Member View Badges R2R App User My Tank Thread Joined Dec 6, 2025 Messages 85 Reaction score 45 Location Milwaukee Rating - 0% 0 0 0 I just finished filling this IM 15 AIO and plan on starting Dr. Tim’s fishless cycle tomorrow. Do I leave the light off during this process?
I just finished filling this IM 15 AIO and plan on starting Dr. Tim’s fishless cycle tomorrow. Do I leave the light off during this process?
Jan 10, 2026 #2 T tmcca Active Member View Badges Joined Mar 10, 2018 Messages 224 Reaction score 66 Rating - 0% 0 0 0 I would leave the lights off no need
Jan 10, 2026 #3 T tmcca Active Member View Badges Joined Mar 10, 2018 Messages 224 Reaction score 66 Rating - 0% 0 0 0 I used a uncooked shrimp to start my cycle, lol.
Jan 10, 2026 #4 FrugalReeferJon 2500 Club Member View Badges R2R App User Secret Santa Hospitality Award My Aquarium Showcase Joined Oct 2, 2021 Messages 4,305 Reaction score 27,462 Location San Diego, CA via Charleston, SC Rating - 0% 0 0 0 Leave ‘em off. Don’t want any algae.
