Usage Tips:Enhance your spa experience with our Hot Tub Mineral Sticks, designed to reduce impurities and maintain crystal clear water. Simply insert the stick into your spa's filter or skimmer, and let it work its magic, improving water quality effortlessly and efficiently. Our mineral sticks are a breeze to use, requiring no complex setup. Insert them directly into your spa's filter system to continuously release , which not only purify the water but also help extend the lifespan of your spa, ensuring a pristine and enjoyable spa environment. Experience a of spa maintenance with our Hot Tub Mineral Sticks. Each stick lasts approximately 4 months, providing a cost-effective solution to keep your spa water clean and clear without frequent maintenance. Opt for our Hot Tub Mineral Sticks and enjoy a low-maintenance, high-quality spa experience. These mineral sticks automatically dispense essential minerals into your spa, enhancing water quality and clarity, and making them an indispensable part of your spa care routine. Colour:yellow Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 3 Pack x Spa Mineral Sticks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.