Enhance your spa experience with our Hot Tub Mineral Sticks, designed to reduce impurities and maintain clear water. Simply insert the stick into your spa's filter or skimmer to improve water quality effortlessly. These mineral sticks are easy to use with no complex setup required. Insert them directly into your spa's filter system to continuously release trace minerals, which help purify the water and support spa maintenance. Each stick lasts approximately 4 months, offering a convenient solution for maintaining clean and clear spa water. These mineral sticks dispense minerals to enhance water quality and clarity, making them a useful part of your spa care routine. Color: yellow. Material: plastic. Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Package Contents: 3 Pack * Spa Mineral Sticks. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.