1 Drain Water Per Click Tier List (August 2026)
All 21 pumps in one 1 drain water per click tier list, ranked from S-tier to the free starters as of August 24, 2026. Weighting favors per-click Water output first, then price-to-power value — rarity is a tiebreaker, not the verdict on this 1 drain water per click tier list.
How pump progression works to reach the 1 drain water per click tier list top
This progression tour shows the click-drain loop from a free Water Pump to the endgame pumps that sit at the top of the 1 drain water per click tier list.
1 drain water per click tier list — every pump
The pump half of this 1 drain water per click tier list groups all 21 pumps by community tier. A cheaper A-tier pump from the 1 drain water per click tier list often out-values a pricier B-tier one, and the breakdown below shows the per-click multiplier behind each row of the 1 drain water per click tier list.
x4000000 per click
The top-tier pump: 4,000,000 Water per click, the community's S-rank goal.
x300000 per click
First Exclusive pump; 300,000 Water per click.
x750000 per click
750,000x per click at the 300M threshold.
x1000000 per click
A full 1,000,000 Water per click, sold for 399 Robux.
x1880000 per click
1.88M per click; the first 1B-water pump.
x12500 per click
2.5x Venom; the first 10M-water pump.
x31000 per click
31,000x per click, sold directly for 80 Robux.
x70000 per click
70,000 Water per click, the 22.5M milestone.
x150000 per click
150,000x per click against the 45M price tag.
x1250 per click
Breaks into the thousands: 1,250 Water per click.
x3100 per click
2.5x Golden and the last Legendary-grade pump.
x5000 per click
First Mythic pump at 5,000 Water per click.
x12 per click
Best value upgrade on a fresh account at just 300 Water.
x30 per click
Triples Lucky Clover for 10x the cost.
x50 per click
The first Epic pump and a solid mid-game stepping stone.
x125 per click
2.5x Ocean's output for double the cost.
x300 per click
First Legendary pump, roughly 2.4x Electric.
x500 per click
Scales Legendary output to 500x per click.
x1 per click
The free starting pump. Every click drains exactly +1 Water.
x5 per click
A cheap first upgrade that multiplies clicking by 5.
x7.5 per click
An OG-exclusive pump with a 7.5x water multiplier.
Every multiplier behind these 1 drain water per click tier list rankings is shown above, and the beginner guide explains the click-to-fishing loop that makes each pump matter on the 1 drain water per click tier list.



How the 1 drain water per click tier list is built
Upgrading to a 4,000,000x Dianeti takes billions of Water, but every pump on the 1 drain water per click tier list slots into a buy order. Spending 150,000 Water on Jelly before you own a Volcanic Lava slows you down, which is why this 1 drain water per click tier list weighs price-to-power as heavily as raw output.
Anchor your buy order to the cheapest jump that meaningfully raises your drain rate. Bank free pumps and Water from codes early, use the water calculator to see how many seconds each upgrade shaves off reaching the next pump, and only skip a tier on the 1 drain water per click tier list when the jump is more than 5x.
- Output scoring — each 1 drain water per click tier list placement is scored on Water-per-click alone, then weighted by upgrade cost.
- Rarity as tiebreaker — two pumps with equal output resolve toward the easier obtain on the 1 drain water per click tier list.
- Update tracking — new pumps re-score the 1 drain water per click tier list within 48 hours of their release date.
How the community reads the 1 drain water per click tier list
Community consensus ranks Dianeti as the only S-tier pump, followed by Rocket, Cake, Amethyst and Ice Penguin as A-tier endgame picks. Rarity and per-click multiplier were both cross-verified across roonby.com and techwiser.com.

Bookmark this 1 drain water per click tier list and re-check it after every patch — the S-tier rarely moves, but the B and C bands of the 1 drain water per click tier list shift as new pumps drop.
FAQ
What is the best pump on the 1 drain water per click tier list?
Dianeti is the only S-tier pump on the 1 drain water per click tier list, multiplying every click by 4,000,000x. The community treats it as the final goal. Below it, Rocket, Cake, Amethyst and Ice Penguin round out the A-tier band of this 1 drain water per click tier list.
Does rarity decide rank on the 1 drain water per click tier list?
Not directly. Rarity controls how hard a pump is to obtain, but the 1 drain water per click tier list ranks by per-click Water multiplier and price-to-power value. Several Legendary pumps sit in D or C on the 1 drain water per click tier list because cheaper options beat them per Water spent.
Which is the best budget pump on the 1 drain water per click tier list?
Lucky Clover is the strongest early buy: 12x per click for just 300 Water, which is why it tops the budget band of the 1 drain water per click tier list. Water Pump Plus is the free path that costs no Water and carries you to your first Rare pump on the 1 drain water per click tier list.
How often does the 1 drain water per click tier list change?
Meaningful shifts follow each update or event. New pumps like Cake and Rocket moved the endgame of the 1 drain water per click tier list the day they dropped. We re-check the 1 drain water per click tier list whenever patch notes or fresh stat tables publish.
Is the Free tier counted as real pumps on the 1 drain water per click tier list?
Water Pump, Water Pump Plus and Lgnisthul are grouped separately on the 1 drain water per click tier list because every account gets them without spending Water. They never compete with paid pumps, but they matter for new players reading the 1 drain water per click tier list.
Do Robux pumps rank higher on the 1 drain water per click tier list?
Some do, but not automatically. Unicorn Fantasy costs 80 Robux and only reaches B-tier on the 1 drain water per click tier list, while Ice Penguin at 279 Robux reaches A-tier. The 1 drain water per click tier list scores pure Water output, not how much real money a pump costs.
Recommended guides

All Pets
Pets across the 1 drain water per click tier list pages, boosting drain to reach top pumps faster.

Fish Mutations
Multipliers that pair with the pumps on the 1 drain water per click tier list.

How to Get Pets
Channel codes and eggs into the drain speed that climbs this 1 drain water per click tier list.
Data source: roonby.com (Aug 21 2026), techwiser.com (Aug 22 2026) — cross-checked pump list and multipliers. The 1 drain water per click tier list above is cross-checked against public pump lists and multipliers before each publish.