# Coins

_How keepers earn coins and what they spend them on._

## Earning coins

Coins are the game's money. You earn them by looking after your aquarium:

- Selling a grown fish with the [Net](https://fishies.lol/wiki/mechanics/net).
- Cleaning glass that has become dirty.
- Selling a decoration back for half its price.
- Finishing [quests](https://fishies.lol/wiki/mechanics/quests) and earning [achievements](https://fishies.lol/wiki/mechanics/achievements).

## Spending coins

Coins buy eggs, plants, decorations, [equipment](https://fishies.lol/wiki/equipment) and [more aquariums](https://fishies.lol/wiki/mechanics/aquariums) in the [shop](https://fishies.lol/wiki/mechanics/shop), and gifts for other keepers. They also pay for richer foods, remedies and filter cartridges. Flake food is free, and so is refilling a feeder with it. Moving decorations is free, and so is switching between floors you already own.

## Guests don't earn coins

While you play as a guest, sales and cleaning pay no coins, though you still earn experience. [Save your progress](https://fishies.lol/wiki/mechanics/signin) to a sign-in and everything you earn from then on pays in full. Getting coins back for your own spending, like selling a decoration, still works for guests.

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In the game: https://fishies.lol/wiki/mechanics/coins · Fishies 0.8.8

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