You can pull your feeder out which will help the bromine drop. No need to be feeding bromine into the tub when the levels are high already. Bromine is a "renewable"sanitizer, as you dissole tablets over time, there becomes more and more of a bromine bank. The ozone and the chlorine in the tablets will keep re-establishg the bromide ions in the tub, with no use, they are not getting used up quick enough. I usually see this about 3 months into the water, which is when most people change the water. Maybe a partial drain will help so you can use your tub if you are not due for a water change.
If you have stretches of non use and use dichlor, I would use the Nature 2 stick also, or plan on going out to add dichlor every couple of days. Chlorine goes away rather rapidly in hot water enviornments. If you let your sanitizer level drop to zero, germs start multiplying quickly.