There are two ways to get more gas in Kenya: swap your empty cylinder for a pre-filled one at a stall, or have your own cylinder refilled by weight. Most people default to whichever is closest, but the two models have real, predictable cost differences worth knowing.
How cylinder swapping works
You hand over your empty branded cylinder and pay for an already-full one in exchange. It's fast and requires no waiting — but you're paying for the vendor's inventory convenience, and swapped cylinders don't always come from a source you can verify.
How refilling works
Your own cylinder is weighed empty, filled to its rated capacity, and weighed again to confirm the exact quantity you received and paid for. This is the model AquaGas vendors use — every refill on the platform shows the before-and-after weight in your order history.
Where the real cost difference comes from
- Swap stalls often underfill cylinders slightly to protect their margin — a widely known industry issue that's genuinely hard for a customer to detect by eye.
- Refilling by verified weight means you pay for exactly what goes in, no more and no less.
- Swapping also puts you at the mercy of whatever condition that particular cylinder is in — valve wear, dents, or an older manufacture date you can't inspect before the swap.
A cylinder that reads full on the outside can still be several hundred grams short on the inside — the only way to know for sure is a verified weigh-in.
So which should you choose?
If speed is your only priority and you trust your local stall, swapping is fine. But if you want price certainty and to keep the same cylinder you know is in good condition, refilling through a verified vendor is the more predictable choice — and it's why every AquaGas refill order shows you the exact weight delivered, not just a price.