The only thing is that we won't really know what your CYA level is. You can assume it is 100 but if the chlorine levels recommended in the chart don't keep algae at bay, you'll have to go even higher.

On another note, read in the following link about lowering alk.
http://www.poolsolutions.com/gd/lowe...p-by-step.html

Let us know if you have any other questions.