AquaPill® 90258APL 4" SummerPill™ 12 per Case. SummerPill™ makes summer maintenance easy. SummerPill's™ all-in-one formula is specially formulated to make summer maintenance easier and more efficient than ever! SummerPill's™ patented pre-measured release delivery system effectively improves the quality and appearance of your water. SummerPill™ will reduce oil and lotion scum lines, clarify water, improve filter efficiency and can be used with all types of sanitizers.