The Plug-N-Play connector lets you click your drink tube on and off the reservoir. If it gets stiff, hard to connect or starts leaking, the o-ring on the tube fitting needs a little food-safe lubricant.

Use one of these food-safe lubricants

• Food-grade silicone lubricant (best option; check the label says "food grade"), from hardware stores
• Glycerin, from most pharmacies
• Beeswax, from hardware or craft stores

Retail reservoirs come with a lubricant packet. Reservoirs that came in a backpack usually don't.

Don't use cooking oils like olive, corn or coconut oil. They make the o-ring swell, which makes the tube hard to connect and can damage the fitting.

How to apply

1. Put a small dot of lubricant on the o-ring.
2. Spread it so the o-ring looks lightly shiny. Too much can make things worse.
3. Click the tube into the reservoir.

One application lasts for months. Store the leftover packet somewhere cool and dark.

O-ring damaged or warped?

Replace it with one of these:

• Plug-N-Play Kit: includes a new o-ring and hose fitting.
• HydraFlex Tube Kit: our standard tube, with a new fitting and bite valve.
• HydraFusion Tube Kit: our insulated tube, with a new fitting and a bite valve with dust cover.

The valve inside the reservoir rarely needs replacing, and it's hard to remove, so start with the o-ring.

If the o-ring wore out early or the fitting cracked, file a warranty claim.