Good question. You might find this article useful. https://www.trailhiking.com.au/gear/hydration-bladders-vs-water-bottles-for-hiking/
Here’s a few pros and cons for hydration bladders.
Pros:
Convenience: Hands-free hydration! You can sip water on the go without stopping to take off your backpack.
Large capacity: Bladders typically hold more water than bottles, ideal for long hikes or hot weather.
Weight distribution: The water weight sits close to your back, improving balance and comfort.
Insulation: Some bladders are insulated to keep water cool in hot weather or prevent freezing in cold temperatures.
Easy to monitor intake: Some bladders have measurement markings on the tube, so you can track how much you’re drinking.
Cons:
Cleaning and maintenance: Bladders require regular cleaning and drying to prevent mold and bacteria growth.
Susceptible to leakage: Punctures or loose connections can lead to leaks, potentially soaking your gear.
Difficult to share water: Sharing water from a bladder is less convenient than with bottles.
Taste issues: Plastic taste can be a problem with some bladders, though high-quality brands are less prone to this.
Cost: Good bladders can be more expensive than water bottles.
