* Water quality: Guppies need clean, well-oxygenated water. The pH level should be between 6.8 and 7.8, and the hardness should be between 8 and 15 dGH.
* Tank size: Guppies can be kept in a variety of tank sizes, but a 10-gallon tank is ideal for a small group of guppies.
* Substrate: Guppies prefer a sandy or gravelly substrate.
* Plants: Guppies enjoy live plants, which provide them with hiding places and help to keep the water clean.
* Food: Guppies are omnivores and will eat a variety of foods, including flake food, live food, and frozen food.
* Decorations: Guppies like to explore their environment, so they appreciate decorations such as driftwood, rocks, and caves.