Guppy fish are small, colorful freshwater fish native to South America. They have vibrant colors, elaborate fins and exhibit fascinating breeding behaviors. They are popular among aquarium hobbyists for their beauty and ease of care.

This article provides
  * Some important facts for starting a guppy aquarium. 
  * How to keep a guppy aquarium without trouble?
  * Common problems in guppy fish care.

To Have An Excellent Guppy Fish Aquarium..

Make sure your aquarium is well-maintained with proper filtration. Get frequent water changes if you want to maintain a healthy guppy. Fish should have a balanced diet with high-quality food, including occasional live or frozen items.

You need to maintain appropriate water conditions. Also supply plants and hiding places, and keep a watch out for any disease or aggressive behavior. The health of your guppy school depends on regular inspection and adequate treatment.

How To Set Up An Aquarium For Guppies?

Aquarium Size

An aquarium size for guppy fish can vary depending on two facts. The first is the fish count you plan to keep, and the second is the space you have available. However, a general rule is to provide at least 2 gallons (7.6 liters) of water per guppy fish.

A small group of guppies might do well in a 10-gallon (38-liter) tank. This size gives room for plants and decorations and enables a few guppies to swim peacefully. It also offers a stable environment for maintaining water parameters.

You may think of a bigger aquarium if you wish to keep more guppies. A 20-gallon (76-liter) tank or bigger would be an excellent choice, giving the fish community more room to swim and allowing for a more diverse population.

Guppy fish prefer more natural conditions. You can make the aquarium more natural, and you can make the guppies happy.

Find A Reliable Water Source

Guppies are hardy fish. Have you ever met a fish that can live in both salt and fresh water? Guppies can.

You can use purified tap water for guppies by adding a water conditioner to reduce chlorine and neutralize potentially toxic elements. You have the option of using well water, but you should first test it for pH, hardness, and guppie suitability.

Remind you to remineralize RO water by adding trace minerals if you use it. To ensure the best conditions for your guppies, constantly inspect the water quality, maintain suitable filtration, and carry out regular water changes.

Read the Guppy Fish Breeding Guide 2023

Collect Some Plants.

Guppies enjoy having plants in their aquarium as they provide hiding places and resting spots. Live plants also help maintain water quality by absorbing nitrates and providing oxygen. Here are some popular plant options for guppy tanks:

  • Java Moss (Taxiphyllum barbieri) – This hardy and flexible plant can be attached to rocks, driftwood, or left floating. Baby guppies frequently hide in Javamoss vegetation. Read the Java moss vs christmas moss comparison here.
  • Anubias (Anubias species) – Anubias are slow-growing and hardy plants that have broad and thick leaves. It can be attached to hardscape or left to root in the substrate.
  • Amazon Sword (Echinodorus species) – These plants have long, flowing leaves and create a lush backdrop in the aquarium. They require nutrient-rich substrate and adequate lighting.
  • Java Fern (Microsorum pteropus)- Known for its distinctive leaf shape, Java Fern is a low-maintenance plant that can be attached to driftwood or rocks. Guppies may seek refuge in its broad leaves.
  • Water Sprite (Ceratopteris thalictroides)- This floating plant provides shade and cover for guppies. It has delicate, feathery leaves and can also be planted in the substrate.

Make sure the plants you pick fit with the aquarium’s design, lighting, and water conditions. Regularly trim and maintain the plants to prevent overgrowth and maintain a healthy balance in the tank.

Put Few Decorations

Decorations and hiding places will make them active and playful. Collect a few simple decorations. Create some hiding places using rocks, decorations and plants. Do not worry to clean aquarium decorations and rocks. Just use vinegar to clean aquarium decorations.

Use A Simple Aquarium Filter

Guppies eat food and make waste. We need to put in an aquarium filter to clean the tank water. It’s essential to select a filter for a guppy tank that offers effective mechanical and biological filtration while also maintaining a gentle water flow suitable for these tiny and delicate fish.

A sponge filter or hang-on-back filter is smart for cleaning water in guppy tanks. Some filter types create strong water currents such as canister filters. Strong currents are fatal to guppies.

A Thermometer And Heater Are A Must!

As guppies are tropical fish, they can’t survive in cold water. Using a heater together with an accurate thermometer is necessary for maintaining the correct water temperature for guppies.

What Are The Water Quality Parameters They Need?

Water quality is directly involved in guppy fish health and well-being. Poor water quality stresses them and sometimes kills them.

Water Temperature

As I said above, Our guppies are tropical fish, they won’t serview in cold waters. Ideal temparature for platy is 77 degrees of Fahrenheit. But they live 74 to 80 temparature range.


Research has found that the ideal pH range is 6.5 to 7.5 for guppies. But some believe that guppy fish are more favorable in alkaline water up to a pH of 8. Sudden pH fluctuations are a nightmare for any fish in your tank.

Ammonia, Nitrate and Nitrite

Before adding the guppy fish to the tank, the nitrogen cycle should be completed. Ammonia and nitrite levels should be 0 ppm in the tank. The maximum amount of nitrate is 40 ppm.

Use a test kit to measure the levels accurately.

Guppy Fish Foods

Guppies are omnivores. They eat small fish, fish eggs, small insects, algae, and natural plant parts. In an aquarium, we can supply both natural and artificial foods that are suitable for its size.

There are several types and brands of fish foods on the market. A 0.5-millimeter community pellet is good for them. But live foods help your guppies more than prepared foods. brine shrimp and daphnia in particular.

Also, homemade foods such as egg yolk and beef heart provide good, fresh nutrition that can make guppies colorful. Overfeeding is a nightmare for guppies. Feed your adult fish twice a day, but don’t feed them more than they need.

FAQs of Guppy Fish Care

  1. Do guppies breed easily?

Yes, guppies are productive livebearers. They have a high reproductive rate, and they breed easily. Every 4 to 6 weeks, a single female guppy can give birth to a batch of fry. Each batch can contain anywhere from 20 to 50 fry, sometimes even more.

Final Thoughts

The right filtration, heating, and regular water changes are required for guppy fish care in order to maintain the water’s quality. Give them a varied diet of high-quality fish food to guarantee optimum nutrition. Regularly monitor the water’s temperature, pH, and ammonia levels.

You may create a pleasant habitat with the help of plants, hiding places, and friendly tankmates. Watch their behavior, look out for symptoms of disease, and take care of any problems. Maintain a regular care schedule and offer a stress-free environment for guppy fish to prosper.

However, many have had their guppies die unexpectedly. ‘Why my guppies are dying?’ they enquire. Read more throught above link.


I am Bruce Daniel Holgate from Los Angeles, the founder of, environmental scientist and content writer. Researcher and hobbyist in aquarium keeping and fish breeding with 20 years of experience. I'm willing to share my knowledge with you all.


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