After fridays class, I ended up figuring out my lab and modified it slightly, now my my main question is 5 g/L too high of an amount of aluminum to use for 2500 mg/25 mL of lactase?

A bit of background (NOTE you can skip to the bottom if you want, main questions lie there). I am a 17-year old student who is having trouble in making a good lab design for enzymes (I chose lactase since the teacher told me it was relatively fast and easier to handle) having trouble in terms of fin...