Bottle Bright® 3-Pack (36 Tablets)

After weeks of buildup in my hydration pack, one tablet dissolved the gunk completely and the tube even smells fresh again. The biodegradable claim actually sold me, and it worked better than any bleach soak I've tried.

Tossed one tablet in my grimy travel mug after a week of coffee and it came out spotless without any scrubbing. I like that they're biodegradable since I use them so often. Three tablets per pack means this lasts me a good while.

My water bottle had that funky smell no amount of dish soap could fix, so I dropped in one tablet and let it fizz for about 15 minutes. The smell is completely gone and I love that the tablets are biodegradable, so I'm not dumping harsh chemicals down the drain.