At Pools Plus More, we specialize in helping spa and hot tub owners find premium water care solutions that deliver real results. With years of experience in the pool and spa industry, we are passionate about products that make maintenance easier and relaxation better. Our top recommendation? The Frog Ease In-Line SmartChlor Cartridge 3 Pack—trusted by spa lovers everywhere. We stay up to date on the latest innovations, including the best mineral cartridge for hot tubs, the Frog Ease mineral cartridge for hot tub, and the ever-popular Frog mineral cartridge options. Whether you're new to spa ownership or a seasoned pro, we’re here to guide you toward cleaner, safer, and more enjoyable spa experiences—one cartridge at a time.