💦 Dive into Safety with Every Test! Seamlessly integrates into your existing Taylor testing kit. 0.25-pound bottle means fewer replacements and more enjoyment! More cost-effective than buying multiple smaller bottles. Replace reagents older than a year for optimal results. Ensure your pool or spa is always safe and ready for fun! 0.25 lb DPD powder Replacement reagent The Taylor Replacement Reagent R-0870-J DPD Powder is a 0.25-pound bottle designed to replenish depleted DPD powder in your Taylor testing kit, ensuring your pool or spa remains safe and enjoyable. Experts recommend replacing reagents older than one year for maximum efficacy, making this an economical and practical choice for pool maintenance.