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+1 Drain Water Per Click cover

Upgrades Guide

Pumps, aura, backpack space, and walk speed compete for the same cash. Buy what matches the current bottleneck.

By Bloxron Editorial Team · Last updated

+1 Drain Water Per Click upgrades cover: pump shop chain, aura, backpack, and display stands

Buy what fixes the bottleneck. Pump raises click water. Walk speed helps on long vertical maps. Display stand raises aquarium income. Backpack stops fish from despawning. Aura multiplies drain after you already have a strong pump.

Stage gates that need more power are on progression. Pet multipliers stack on pets.

What to buy first

UpgradeWhenWhy
Pump1 - firstBiggest click water jump early
Walk speed2 - QoLAbout $10K early; long vertical maps
Display stand3 - incomeShow slots 7 to 8 to 10; aquarium can reach about 12 fish late
Backpack slot4 - when fullEarly slot ~$5K; later slots ~$45M / ~$80M; late bag about 10 to 12 slots
Aura5 - after pumpWhite to Green to Blue; multiplies existing click water

Pump upgrade chain

PumpWater multCost
Water Pump×1Free
Water Pump Plus×5$80
Lucky Clover×12$300
Sunflower×30$3,000
Ocean×50$15,000
Electric×125$30,000
Volcanic Lava×300$70,000
Jelly×500$150,000
Golden×1,250$400,000
Rainbow Candy×3,100$1.25M
Venom×5,000$2.75M
Demon×12,500$22.5M
Unicorn Fantasy×31K80 R$
Blue Mushroom×70K129 R$
Halloween Pumpkin×150K179 R$
Ice Penguin×300K279 R$
Amethyst×750K399 R$
Cake×1M399 R$
Rocket×1.88M569 R$
Planet×4M759 R$
Mecha GaiokaAbove Planet799 R$
  • Planet at 759 R$ is the strongest listed Robux pump at ×4M water per click.
  • Mecha Gaioka at 799 R$ is the newest and highest-priced Robux pump. It sits above Planet in the shop and was added mid-August 2026.

OG pump

Lgnisthul is an OG-rarity pump at ×7.5 water. It does not sit on the normal cash or Robux ladder, so most players still climb Water Pump through Demon first.

PumpWater multCost
Lgnisthul×7.5OG · no listed shop price

Water per click by pump

Click income jumps hard with each major pump. Demon at $22.5M is the last cash pump; Robux tiers run up through Planet at ×4M, with Mecha Gaioka as the top-priced option at 799 R$. Use these samples to tell whether a gate is a pump problem or a luck problem.

Pump / stagePer click
Sunflower ($3K)×30 water mult
Ocean ($15K)×50 water mult
Electric ($30K)×125 water mult
Volcanic Lava ($70K)×300 water mult
Jelly ($150K)×500 water mult
Venom ($2.75M)×5,000 water mult
Demon ($22.5M)×12,500 water mult
Planet (759 R$)×4M water mult
Mecha Gaioka (799 R$)Highest-priced Robux pump
After rebirth 5×3.5 water + rebirth stack

Walk speed and display stand costs

Walk speed and display stand use separate cash ladders in the Upgrades menu. Speed helps you reach the Fisherman on long maps. Display stand raises how many fish earn passive cash in your aquarium.

Walk speed ladder

UpgradeCash costNotes
+1 walk speed$10,000First step; 9 R$ Robux alt
+2 walk speed$14,000About 1.4× prior step
+3 walk speed$19,600Compounds on vertical maps
+4 walk speed$27,400Mid QoL band
+5 walk speed$38,400No displayed cap in shop UI

Display stand ladder

UpgradeCash costNotes
+1 display slot$25,000First expansion; 59 R$ Robux alt
+2 display slots$87,500About 3.5× prior step
+3 display slots$306,000Raises aquarium $/min
+4 display slots$1.07MMid-game income boost
+5 display slots$3.75MLate tank toward ~12 fish

Backpack slots vs aquarium displays

  • Backpack. Inventory slots for fish you just picked up. Early +1 slot is about $5,000. Later expansions hit about $32K, $150K, and $320K. Late game reaches about 10 to 12 bag slots. Full bags can lose fish.
  • Display stand. Aquarium show slots for equipped income fish. Expand from about 7 toward 8 and 10. Endgame tanks can hold around 12 fish. This is not the backpack upgrade.

Aura multipliers

AuraMultCost
White aura×1.2$100K or 19 R$
Green aura×1.4$1M or 39 R$
Blue auraHigher tier99 R$
Purple auraHigher tier149 R$
Gold auraHigher tier299 R$
Rainbow aura×10 water799 R$
Robux water ladder2× to 128× maxRobux shop

Optional Robux water boosts

Robux water multipliers are optional. The free loop is pumps, fish cash, aura, and pets. Buy Robux only if you want to skip grind time. There are no game passes, the shop runs on developer products only.

OfferDetail
Water mult ladder2× to 4× to 8× to 16× to 32× to 64× to 128× max
100× waterAbout 800 Robux
Small % packs+2% ~3 R$ / +4% ~9 R$ (optional boosts)
2× cashAbout 40 Robux
Skip StageStages 2-15; about 3 R$ to 459 R$ each
Keep water on rebirth9 R$ (early rebirths) up to 99 R$

FAQ

Can I skip pumps in the chain?

Yes. The shop can let you buy ahead with a confirmation popup. Buying in order avoids surprise prompts.

Is Sunflower worth it?

Yes early on. It is the first big jump from the starter pump at $3,000 with a ×30 water multiplier.

Aura or pump first?

Pump first. Aura multiplies what you already have. A weak base times aura still feels weak.

What is the training zone?

Rebirth unlocks standing pools that add water passively. Level gates and pool multipliers are on the progression page.

Is Demon the last cash pump?

Yes. Demon at $22.5M (×12,500 water) tops the cash ladder. Higher pumps such as Blue Mushroom, Ice Penguin, Planet, and Mecha Gaioka are Robux-only.

What is Lgnisthul?

An OG-rarity pump at ×7.5 water. It is not part of the normal shop ladder and has no listed cash or Robux price on the standard pump chain.

What is Mecha Gaioka?

The highest-priced Robux pump at 799 R$, added mid-August 2026. It sits above Planet (759 R$, ×4M water) in the shop.