So most of the instructions say to pour chemicals in the deep end by the returns. The problem is that my returns were put in the shallow end. Is that unusual? Anyway the shallow end is only 3 feet so I'm concerned about pouring muriatic acid in 3 feet of water and to a lesser extent the bleach, even if it is at a return. I've been pouring in the deep end and immediately pushing the water towards the center with the pool brush- does this seem like a decent strategy?