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How do I open Laundry Pump?Updated 12 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 head will rise. Press it down 4 to 6 times to prime it, and 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 so it doesn't leak in transit. 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, reservoir clockwise. The head rises once it's unlocked. If it feels like it spins endlessly, give it a small upward tug while twisting to break the factory air seal.

✓ 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 head is raised, press it down firmly several times. The first few presses dispense nothing while the pump draws Sensitive Laundry Liquid up the internal tube. Liquid starts flowing within 4 to 6 presses. After that, each press dispenses 4 mL, and the mechanism is rated for around 3,000 presses.

✓ Prime in 4 to 6 presses

Once the head is raised, press it down firmly several times. The first few presses come up dry while the pump draws Sensitive Laundry Liquid up the tube. Liquid flows within 4 to 6 presses, and each press then dispenses 4 mL.

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

⚠ If it still won't open

Try a firmer upward pull while twisting anti-clockwise. Check you're twisting the pump head, not the whole lid or bottle. If the pump is open but not dispensing, keep pressing to finish priming it.

Firmer pull Twist the head only

Koh Laundry Pump

Laundry Pump

Reusable pump dispenser for Sensitive Laundry Liquid. 4 mL per press, around 3,000 presses.

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Last reviewed: September 2026 · Koh Australia

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