Hi KC. I haven't visited your thread in a while, but I see from your post # 121 your readings show you still have a little "bug" in the water huh? If your FC is still under 10, please verify pH now and lower it to the lower 7s. Then remember, based on your CYA of 35 (round-up to 40), your SLAM FC should be 16. You have to keep it there as much as possible. Now I don't know about you, but a little south of you our temps really spiked today. So make sure of that CYA level by checking it in the bright light outside with sun at your back. The performance of your FC hinges on that CYA reading. You have to be getting close KC, so try to stay with it. Read the SLAM page once a day to refresh your memory on all the little things. Good luck, and have a nice weekend.