I’ve used Walter Lids and they’re terrific. You give them the measurements and they custom make an acrylic lid to fit your tank. Prices are very reasonable on service is great.I like the Acrylic idea where did you find that. Would not mind a picture if you don't mind. I would redo mine for sure

. However I am always trying to improve. My first attempt was using Stainless screen. I thought I had something . however it was not a good grade and started to rust, and when I was on a different thread I checked them with my Par meter and found that they lowered the light intensity by 35-30 percent. So I found the new mesh on
. I am waiting for a bit to open the groove from quarter inch to 3 eights hoping I can do it without it melting and making a mess . Or I will have to think of another way to do it. Anyone have an idea?