Briguy, I didn't say that you can't measure Kh in ppm. It's just not a very common measurement will cause a lot of confusion...as you can see by this thread alone. What I'm trying to say is that the 5 in 1 Jungle test strips are not very accurate at all, nor are they very precise. I have used them and you definitely can't get the fine tuning results that you can from any titration test kit. For instance, Jungle's Kh test kit will give you results in 0, 40, 80, 120, 180 and 300 ppm. With a titration test kit like Salifert, you can get MUCH more precise results from 0.3 - 16.0 dKH or 0.11 - 5.71 meg/L. Your test results will be much more precise when you can measure down to a hundredth of a meg/L....as apposed to differences of hundreds of ppm.
crazydante23, to keep fish from jumping out, you can use the plastic or acrylic grating that's often sold in hardware stores as light diffusers. You can cut strips of it to go around the perimeter of your tank. As for Macro Algaes, they may help absorb some of your nitrates but water changes will do a much better job. If you have a refugium or sump, you could grow macros in there to help control nutrients as well. If you do this, you'll have the best luck with either 24 hour lighting on the refugium or a light cycle opposite your tank's light cycle.