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How do I open Laundry Pump?Updated 19 hours ago

TL;DR: Laundry Pump ships locked from the factory. Hold the white reservoir, then twist the pump head anti-clockwise while turning the reservoir clockwise to break the seal. The pump head will rise. Press it down 4 to 6 times to prime, then it's ready to dispense.


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Koh Laundry Pump
Koh Laundry Pump in use

How do I open Laundry Pump?

Laundry Pump ships in a locked position to prevent leaks during transit. To open, hold the white reservoir firmly with one hand, grip the pump head with the other, and twist them in opposite directions: pump head anti-clockwise, white reservoir clockwise. The pump head will rise once unlocked. If the head feels like it spins endlessly, give it a small upward tug while twisting to break the factory air-seal. Once raised, press the pump head down 4 to 6 times to prime it.

✓ Three steps

1

Hold the reservoir. Grip the white plastic reservoir firmly with one hand.

2

Twist opposite ways. Turn the pump head anti-clockwise while turning the white reservoir clockwise. The head will rise.

3

Stuck? Tug up. If the head spins endlessly, keep twisting and give it a small upward tug to break the factory air-seal.

How do I prime Laundry Pump for first use?

Once the pump head is raised, press it down firmly several times. The first few pumps will dispense nothing while the dispenser draws Sensitive Laundry Liquid up the internal tube. Liquid will start flowing within 4 to 6 presses. After that, each press dispenses 4 mL. The pump itself is rated for 3,000 presses across roughly 24 refills.

✓ Prime in 4 to 6 presses

Once the pump head is raised, press it down firmly several times. The first few pumps will be dry while the dispenser draws Sensitive Laundry Liquid up the tube. Liquid flows within 4 to 6 presses. After that, each press dispenses 4 mL.

4 to 6 presses 4 mL per press 3,000 press lifespan

⚠ If it still won't open

Try a firmer upward pull while twisting anti-clockwise. Make sure you're twisting the pump head, not the entire lid or bottle. If the pump is open but not dispensing, keep pressing to fully prime it.

Firmer pull Twist head only
Koh Laundry Pump

Laundry Pump

Reusable pump bottle calibrated for Sensitive Laundry Liquid. 4 mL per press, 3,000 press lifespan.

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Last reviewed: May 2026

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