I don't reccomend using ammo lock, cna be more confusion than it is worth. Only if your fish are in immediate danger and you cant get the ammonia down (ex: ammonia 6 and water changes only help for few hours). I use prime. There are lots of conditioners out there prime is kinda on the expensive side and does a little more than regular condtioners. Make sure wichever one you gt removes both chlorine and choramine. Has your water company changed the concentraion of chemicals recently? You may want to double dose the water conditioner for a little while just in case the water company has added a higher concentraion of chemicals to the water. The bottle of conditioer should say how much chlorine/chloramine it removes per however many gallons of water. Other than this I am as stumped as you are. Have a nice day!!
