I was shocked that 5 lbs equals 5 tabs! These tabs are big but they don’t weigh a lb each. Plus 1 tab treats 10,000 gal, which means 3 tabs are required for a 30,000 gal pool. They do last a while and work great. Buy Samsung 10.1&amp;quot; Galaxy Tab A 32GB Tablet (2019, Wi-Fi Only, Silver) featuring Samsung Exynos 7904A Eight-Core, 2GB RAM | 32GB Storage, 10.1" 1920 x 1200 Display, Mali-G71 MP2 Graphics, microSD Card Reader, Wi-Fi 5 (802.11ac) | Bluetooth 5.0, 6150 mAh Li-Ion Battery, Front 5 MP & Rear 8 MP Cameras, Android 9 Pie. Review Samsung Tab A.