Need some help. My tanks about 1.3-1.5 years old. Sps dominated. My acros are randomly dying and the only outlier on my icp tests are aluminum and iodine. I used a decent amount of MP spheres in my refugium. I’ve read that they leech aluminum. I think I’m going to remove them from the refugium. There’s only cheato and those soheres in the fuge. What’s the safest way to remove them from my fuge? Do I need to take any special precautions?