It might be Algae

That is correct. Until you determine your FC loss each day it would not hurt to take your FC to 8 or 9 when you add your bleach. Then see what it registers the next day. Once you get a feel for that, then you can manage it so you never get near the minimum FC.
 
After my slam, I wanted to give you an update and ask your opinion on my current FC levels. My recommended levels with a CYA of 40 is to be between 5-7 FC.

Friday morning I had a FC reading of 9.I added no chlorine.
Saturday morning 6fc. I added 84 oz to bring fc to 8.
Sunday morning 5.5fc. I added 84 oz to bring it to 7.5
Monday morning 5 fc.I added 88 oz to bring it to 7.05
Tuesday morning 6fc. I added 42 oz to bring it to 7.0
Wednesday morning5.5 fc. I added 64 oz to bring it to 7.0.
Thursday morning 5.0fc. I added 74 oz to bring it to 6.75.

I have been trying to stay within the target FC levels. The minimum FC level is 3 ppm. Looking at my typical FC loss, what amount do you recommend I try to bring FC to each day?I was thinking it wouldn't be that bad to solve for 6.5ppm each day. I didn't want to have to slam again so I have been very cautious. Any guidance would be appreciated.
 
I would stay with what you are doing. Keep your low FC for the day in the Target level range is very acceptable.
 
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