There are two methods for improving the operation of the slider top for your HydraPak reservoir:
- Avoid filling the reservoir above the maximum fill line. If you over-fill the reservoir it will create pressure on the slider, making the top harder to operate. If you leave some room the pressure will be reduced, making the slider top slide more easily.
Apply some food-safe lubricant to the tracks of the reservoir. We recommend silicone, glycerin, or beeswax. Don't use oil-based lubricants, as they can make your system sticky, which makes the slider more difficult to operate. Smear a small amount on the tracks and it will make the slider action much smoother.