What Is Aquaponics And Is It Safe For Fish?

Aquaponics is an increasingly popular method of raising fish and growing vegetables using a symbiotic system. It’s been around for years but has recently seen a surge in popularity due to its efficiency and sustainability. 

Aquaponics combines hydroponics (growing plants without soil) and aquaculture (raising fish) into one self-sustaining ecosystem that requires very little maintenance.

What is Aquaponics? Using Fish, Plants And Rocks
Key Takeaways
Aquaponics is a sustainable farming technique that combines aquaculture and hydroponics.
Fish waste provides nutrients for plants, which in turn filter the water for the fish.
Aquaponic systems require regular monitoring and maintenance to ensure water quality and the health of fish and plants.
A variety of fish and vegetables can be grown in aquaponic systems.
Aquaponics offers benefits such as sustainable food production, water conservation, and efficient use of space.

What Is Aquaponics?

Aquaponics is a sustainable food production system that combines aquaculture (raising fish) and hydroponics (growing plants without soil).

The animals provide nutrients for the plants, which in turn purify the water for the fish to live in. It can be used to cultivate vegetables, fruits, and herbs along with various types of fish.

Aquaponics is a sustainable and eco-friendly way to grow food, and our complete step-by-step guide will take you through the entire process. Learn how to set up and maintain your own aquaponic system by checking out our guide on aquaponics.

Components of an Aquaponic System
Fish tank
Grow bed
Water pump
Aeration system
Plant growing medium
Fish food
Beneficial bacteria

Are Aquaponics Systems Safe For Fish?

While it is true that there are several ways you can injure or kill your fish, including overfeeding and adding incompatible species of fish, it’s important to remember that aquaponics systems are safe for all living things involved.

Aquaculture systems (farming fish) have been in existence for thousands of years, so if you’ve seen an aquaculture system in your lifetime, they’re probably safe enough to use as a model for your home-built system. 

They work very well with almost any type of animal found on land or sea even humans! So why wouldn’t they be safe?

Because of this long history, we know that aquaculture systems are safe when properly maintained and operated by people who understand the basic rules about how to keep something alive under controlled conditions (which generally means warmth and food).

How Much Water Does Aquaponic Use?

Aquaponic gardening is a great way to grow plants and fish in one system. However, it can be a little tricky to know how much water is used in the process. 

The exact amount depends on several factors such as what you have growing, what type of fish you have, and how many plants they’re growing with them.

Here’s some information that will help you calculate how much water your aquaponic system uses:

Fish: Each fish needs about 5 liters (1 gallon) of water per day for drinking and waste processing. If you have 10 tilapia in your tank, they’ll need 50 liters (13 gallons) per day total! That’s a lot of freshwater flowing into your tank each week!

Plants: Most types of plants require about 20% less than their normal amount of soil when grown hydroponically (without soil). 

So if you grow tomatoes that usually take up 1 square foot (0.093 m2) outside but want them indoors instead where it’s easier for beginners like me 🙂 

Then expect around 0.9 sq ft (.083m2) inside instead which translates into 8 inches high by 16 inches wide by 32 inches long or 20cm high x 40cm wide x 80cm long because metric is easier to work with than imperial 😉

Ensuring the safety of your aquatic life is crucial when setting up an aquaponic system, and knowing the appropriate number of fish is a key aspect. The link aquaponics: how many fish per litre? will provide all the necessary information you need to keep your fish safe and healthy

Can You Eat The Fish From An Aquaponic System?

Aquaponics is a closed loop system, which means that the water from the fish tank and the water from your growing beds are kept separate. This means that you cannot throw away all of the fish waste into your growing bed because it would cause toxicity for your plants. 

The best way to dispose of this waste is by filtering it through an aquaponics filter and then putting it back into the fish tank.

If you do want to eat some of your fish, make sure they are small enough so that they will not be too expensive to buy or too old and tough when cut up into fillets or steaks!

What Are The Advantages Of Using An Aquaponics System For Fish Farming?

Aquaponics is a great way to grow fish, and several advantages make it a great choice for your fish farming business.

You can grow fish and plants together: Aquaponics has been around since the 1980s, so it’s been tested over time. It’s safe, efficient, and cost-effective.

You can grow fish in a small amount of space: Aquaponics uses 90% less water than traditional methods because the waste from your fish fertilizes the plants instead of draining away into a sewer system or septic tank. 

Plus, you’re not worried about flooding because there’s no need for drainage holes at all! This makes aquaponics perfect for people who live in apartments or small homes where space is limited but they still want their garden or farm animals (like chickens).

If you’re curious about how aquaponic systems work, our guide on what is an aquaponics system & how do they work? can provide an in-depth overview. Learn about the intricate process of how fish and plants work symbiotically in an aquaponic system.

Benefits of Aquaponics
Aquaponics is an efficient and environmentally-friendly way to grow food
Aquaponic systems are capable of producing significant yields of fresh fruits and vegetables
Aquaponics reduces the need for chemical fertilizers and pesticides
Aquaponic systems can be used to grow fish or other aquatic life, providing a source of protein in addition to fresh produce
Using an aquaponic system consumes up to 90% less water than traditional soil-based agriculture

Do You Need A Pump In An Aquaponics System?

Pumps are used for a few different purposes in an aquaponics system.

They can be used to move water from one part of the system to another, such as from the fish tank to the grow beds or vice versa. In this case, pumps are often powered by solar panels, which are inexpensive and help keep your costs down.

Pumps can also be used to move water between two tanks with different levels of salinity (the concentration level of salt in water). 

If you have two tanks with different salinity levels one at 1% and one at 1,001% you could run them both through a pump that distributes equal amounts of saltwater between each tank until they balance out their differences. 

This is useful if you want all parts of your system working at maximum efficiency without having any one area become too salty or too fresh for good growth rates

Is Aqueon Tap Water Safe For Fish?

Aqueon Tap Water is safe for fish!

Aqueon Tap Water is free of chlorine. Chlorine is a toxic chemical that can be harmful to your aquarium inhabitants’ health, especially to their gills. With no chlorine in Aqueon Tap Water, there’s nothing for your fish to get sick from.

Aqueon Tap Water does not contain heavy metals like lead and mercury that can cause problems with the immune system and nervous system of fish. It also doesn’t have bacteria like E. coli or other parasites like worms that can infect your aquarium inhabitants

Are you interested in knowing how many plants can be grown per fish in an aquaponic system? Our guide on aquaponics: how many plants per fish? provides valuable information on optimizing plant growth while keeping your fish healthy

Is Water From A Dehumidifier Safe For Fish?

Dehumidifier water is safe for fish, but it should be filtered through a filter before use. The dehumidifier should also be tested regularly to ensure that the water quality remains acceptable for your fish.

Water from a dehumidifier may contain chlorine or other chemicals that can kill fish if used directly in an aquaponics system. As such, you should always filter this water through a carbon filter before adding it to your aquaponics system. 

This will help remove any dangerous contaminants like chlorine and other chemicals that could harm your fish. 

Additionally, if you live in an area where the water quality changes throughout the year (such as during seasonal changes or when there is flooding).

You may want to test your dehumidifier’s output periodically so that you know how much filtration is required before adding it directly into your aquaponics system without filtering first

Should I Keep My Fish Tank Light On All Day?

Light is an important factor in your aquaponics system. The light triggers feeding and breeding, which are both important factors in growing healthy fish. If you have a lack of light, then it can slow down your fish growth rate, as well as make the fish less active and therefore less healthy.

If you want to keep your fish alive for longer periods, then it’s recommended that you keep their tank lights on all day long. This will allow them to be active enough so they don’t become sickly or weak over time

Aquaponics is capable of growing a variety of vegetables and produce, and our guide on what vegetables can be grown in aquaponics? breaks down which ones thrive in an aquaponic system. Learn how to grow your own fresh produce using this sustainable method.

What Is The Best Time Of Day To Feed Tropical Fish?

The best time to feed your tropical fish is in the morning. Feeding them too much or too often can be detrimental to their health, so it’s important to become familiar with the feeding habits of your particular species. 

Try to avoid feeding them at the same time every day and give them a variety of foods it’s likely that they will prefer some things over others based on their natural diet and environment, so it will help keep them happy and healthy if you offer variety in their diet.

Fish Health Is Paramount In A Successful Aquaponics System

Fish health is paramount in a successful aquaponics system. Fish are the most important part of an aquaponics system. You need to feed and care for them properly, otherwise, they won’t survive or thrive.

In addition to proper feeding and care, your fish will also need clean water to survive.

You must protect your fish from predators like raccoons or cats who could break into your pool or pond and eat them as well as from diseases spread by mosquitoes which can lead to other problems such as red tide (algal blooms).


The bottom line is that there are several things you can do to keep your fish healthy and happy. The most important thing is to make sure you have the right water parameters and enough space for them to swim freely without becoming stressed out. 

You should also feed them at least twice a day with appropriate foods and provide plenty of oxygenation for them not only to survive but thrive too!

Further Reading

Here are some additional articles related to aquaponics and backyard gardening:

The Technology Behind the Aquaponic Garden: Learn more about the technology and equipment used in aquaponic gardening.

What Vegetables Can Be Grown in Aquaponics?: Discover the types of vegetables that can be grown in an aquaponic system.

How Do You Add Nitrates to Aquaponics?: Find out how to add nitrates to your aquaponic system to maintain healthy plant growth.

How Often Do You Have to Change Water in Aquaponics?: Learn about the frequency of water changes in an aquaponic system and how to maintain water quality.

Are Catfish Good for Aquaponics?: Discover the benefits of using catfish in your aquaponic system and how to care for them.

What is Aquaponics?: Learn about the basics of aquaponics, including how it works and the benefits it offers.

Aquaponics: This article provides a detailed overview of aquaponics, including its history, benefits, and how to build an aquaponic system.


What is aquaponics?

Aquaponics is a sustainable farming technique that combines aquaculture (the farming of aquatic animals) and hydroponics (the growing of plants in water without soil). It is a closed-loop system where waste from the fish is used to provide nutrients for the plants, which in turn filter the water for the fish.

How does aquaponics work?

In an aquaponic system, fish are raised in a tank and their waste provides nutrients for the plants, which are grown in a separate bed of water. The plants use these nutrients to grow, and in doing so, they filter the water for the fish. This cycle continues, creating a sustainable ecosystem where both the fish and plants thrive.

Is aquaponics safe for fish?

Aquaponics can be safe for fish if proper care is taken to maintain water quality and monitor the health of the fish. Factors such as water temperature, pH levels, and oxygen levels should be regularly checked and adjusted as needed to ensure the health and safety of the fish.

What are the benefits of aquaponics?

Aquaponics offers a number of benefits, including sustainable food production, water conservation, and efficient use of space. It is also a low-maintenance system that requires less water and fertilizer than traditional farming methods.

What types of fish can be used in aquaponics?

A variety of fish can be used in aquaponic systems, including catfish, tilapia, and trout. The type of fish chosen will depend on factors such as water temperature, pH levels, and desired yield.