I would forget about the Tim's additive. If there is ammonia from a possible mini cycle, it wont help fix the die off problem. It will only mask the problem by ridding you of the ammonia. If there is a mini cycle, let it go until it does its thing. But I tend to agree with Doug here, probably no cycle. It moved well over 120lbs of LR
and a tank. LR
stayed in coolers full of water for a FEW days with a heater but no water movement. Once the tank was cleaned and set up, sand, rocks and water went in. Almost no cycle. Well hit 0.25 for 1 day then right to 0.