How to Match a Pump or Sprayer's Dip Tube Length to Your Bottle

1. Measure your bottle's internal height, not its outer height - The dip tube needs to reach close to the bottle's interior floor, so measure from the inside bottom of the bottle up to where the pump's collar will sit at the neck opening, rather than measuring the bottle's outer height, which includes glass or plastic wall thickness that doesn't reflect the internal depth.
2. Check whether your pump's dip tube is pre-cut or adjustable - Some pumps ship with a dip tube pre-cut to a standard length meant for a specific bottle height, while others ship intentionally long so you can trim them to fit. Check your specific pump's listing or documentation to know which situation you're working with before assuming either way.
3. Test-fit the pump on an empty bottle before trimming anything - Insert the pump into an empty bottle and check how far the tube extends - ideally it should reach to within a small gap of the very bottom, close enough to draw nearly all the product but not so long that it buckles or curls against the bottle floor.


4. Trim a too-long dip tube with a clean, angled cut - If the tube is too long, mark the correct length while it's test-fitted, remove the pump, and trim the tube with sharp scissors or a utility knife. Cutting the tip at a slight angle, rather than straight across, helps prevent the tube's opening from sealing flat against the bottle floor and blocking flow.
5. Never use a dip tube that's too short - A tube that's too short will leave product unreachable near the bottom of the bottle no matter how many times it's pressed. Unlike a too-long tube, this isn't something you can fix by trimming - you'll need a pump with a longer tube or a taller pump variant instead.
6. Re-check the fit after any adjustment before filling the bottle - Once a tube has been trimmed, reinsert the pump and confirm it seats properly and reaches the intended depth before filling the bottle with product, since it's much easier to make a small further adjustment on an empty bottle than on a full one.
7. For SKS Bottle containers and closures, check the Cap Code first - All of the above applies to any bottle and closure combination from any source - but when you're shopping on our website, there's a faster way. Every pump and sprayer size on our site carries its own Cap Code, and that code already accounts for its specific dip tube length - a pump or sprayer sharing a bottle's Cap Code is guaranteed to have a dip tube built for that bottle's depth, with no measuring or trimming needed. Look for the Compatible Add-Ons button beneath the stock number on any product page to see every matching pump or sprayer, or browse our full Cap Code chart to see all cap sizes.

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How to Match a Pump or Sprayer's Dip Tube Length to Your Bottle FAQ

Matching a pump or sprayer's dip tube length to your bottle comes down to measuring the bottle's internal depth accurately and test-fitting before you trim - or, for anything in our own catalog, simply checking the Cap Code instead.

Do Pumps and Sprayers Use the Same Dip Tube System?

Yes - both closures work the same way internally, drawing product up through a dip tube into the bottle, so matching the tube length to your bottle follows the same process for either type.

Why Is My Pump or Sprayer Leaving Product Stuck in the Bottle?

This almost always means the dip tube is too short for the bottle - it's not reaching far enough down to draw the remaining product, no matter how many times it's pressed.

Can I Just Trim a Dip Tube Myself?

Yes, if the tube is too long - test-fit the closure first, mark the correct length, then trim with a clean, slightly angled cut so the tip doesn't seal flat against the bottle floor.

Does the Cap Code Account for Dip Tube Length?

Yes - every pump and sprayer size in our catalog has its own Cap Code that already reflects its specific dip tube length, so a matching code guarantees the right fit without any manual measuring.

What If My Dip Tube Is Too Short?

A too-short tube can't be lengthened, so you'll need a different pump or sprayer with a longer tube or a taller variant sized correctly for your bottle.

Related Packaging Information

• How to Measure a Bottle's Neck Finish
• Pumps (2585 Series)
• Sprayers (2580 Series)
• Product Spotlight - Lotion Pumps & Treatment Pumps
• Understanding Cap Codes