Charlie Carp vs Seasol: Head to Head Comparison

Written By:
Scott Carroll
Published On:
May 22, 2023
Charlie Carp vs Seasol Cover

Plant nutrition and health are essential components of every flourishing garden. Using products such as Charlie Carp and Seasol can help ensure that plants obtain the vital nutrients they require. 

This post is intended for Australian home gardeners and plant enthusiasts who want to compare the benefits and usage of these two popular plant fertilisers! Finally, we can assist you in making an informed decision about which product, or combination of goods, is most suited to your individual needs.

Charlie Carp vs Seasol

Charlie Carp: overview & benefits

Charlie Carp is a fish product created from European carp, an invasive species in Australia. It is rich in nutrients like nitrogen, phosphorus, potassium, trace minerals, vitamins, and amino acids.

In our experience, there are various advantages of employing Charlie Carp, including:

  • Improved plant growth and health
  • Enhanced fruit and flower production
  • Increased resistance to pests and diseases
  • Strengthened root systems

Accordingly, Charlie Carp is most effective on lawns, turf, veggie patches, flower beds, fruit trees, and bushes. 

Simply follow the product package’s prescribed dilution rate and frequency directions to apply Charlie Carp. Apply it evenly to the plant’s leaves as a foliar spray. Meanwhile, water it into the soil surrounding the plant’s base for soil application.

Seasol: overview & benefits

Seasol, on the other hand, is a liquid seaweed extract made from brown kelp species like Durvillaea potatorum and Ascophyllum nodosum. 

Seasol contains various critical trace elements, including iron, zinc, manganese, copper, boron, and molybdenum, which aid in plant functions and enhance overall plant health. It also contains natural plant growth hormones, amino acids, and biostimulants. 

Some of the advantages of utilising Seasol are as follows:

  •  Enhanced root development
  • Improved nutrient uptake
  • Increased resistance to environmental stress
  • Better plant growth and overall health

As a result, Seasol is ideal for growing plants indoors or outdoors, as well as on seedlings and transplants. 

When using Seasol, follow the same dilution rate and frequency requirements recommendations. You can use it as a foliar spray or apply it to the soil at the plant’s base, just like Charlie Carp.

Key differences between Charlie Carp and Seasol

The primary distinctions between Charlie Carp and Seasol are based on their composition and intended use. While Charlie Carp is a nutrient-rich, fish-based fertiliser that produces rapid effects, Seasol is a seaweed-based plant tonic that concentrates on long-term plant health and growth. 

We’ll go through some of the significant differences between these two items in greater detail below so you can figure out what works best for you! 

Nutrient composition

Charlie Carp is commonly higher in nutrients due to its fish-based makeup, whereas Seasol is largely a seaweed-based growth stimulant. Both products contain a balanced NPK concentration suitable for various plant species.

Primary functions

Charlie Carp is primarily a nutrient-rich fertiliser, whereas Seasol is a plant tonic that improves general plant health and growth. Your gardening aims and requirements will determine your choice.

Plant response

Due to its nutrient concentration, Charlie Carp often produces faster benefits, whereas Seasol’s effects may be more gradual. Slower results, on the other hand, are not necessarily a disadvantage because they might lead to stronger, more resilient plants over time.

Environmental impact

Seasol, made from seaweed, has a lower environmental impact than Charlie Carp, derived from European carp. However, utilising Charlie Carp aids in the control of Australia’s invasive carp population.

So, which should you choose? Charlie Carp vs Seasol

Ultimately, the choice between Charlie Carp and Seasol comes down to your specific gardening goals and needs. Consider the following factors while deciding whether Charlie Carp or Seasol is the better option for you:

  1. Nutrient requirements: Determine your plants’ individual nutrient requirements. Charlie Carp may be more ideal if they need a nutrient boost due to its increased nutrient content. If your plants require total health enhancement and growth stimulation, Seasol may be a better choice.
  2. Soil condition: Examine the current health and fertility of your soil. Charlie Carp is better for boosting soil fertility, whilst Seasol improves soil structure and promotes beneficial microbial activity.
  3. Application preferences: Consider your preferred technique of application. Both treatments can be applied as a foliar spray or soil drench, but depending on your gardening layout and plant kinds, one technique may be more convenient than the other.
  4. Environmental considerations: If you want to reduce your environmental effect, Seasol, a seaweed-based solution, may be a better option. However, utilising Charlie Carp can aid in the management of the invasive carp population in Australia, which is also an important environmental factor.
  5. Plant stress tolerance: Consider your plants’ stress tolerance and resilience. Seasol can help plants adapt to stress, making them more resistant to pests, diseases, and extreme weather.
  6. Budget and availability: In your area, compare the price and availability of both products. You may discover that one product is more affordable and accessible than the other, which may affect your decision.

Remember that picking one over the other is not always the case. Using Charlie Carp and Seasol together can provide a well-rounded approach to plant nutrition, development, and overall health.

Combining Charlie Carp and Seasol 

Combining Charlie Carp and Seasol can produce fantastic results for gardeners like us because their benefits complement each other and cater to distinct parts of plant growth and health.

In our experience, combining Charlie Carp with Seasol works well, whether beginning a new garden or revitalising an old one. This is because Charlie Carp and Seasol revitalise the soil and plants while fostering strong root systems and enhancing soil fertility.

Benefits of using both products

Some benefits of using both Charlie Carp and Seasol include:

  • Comprehensive nutrient support: Charlie Carp offers important nutrients, while Seasol improves nutrient uptake, ensuring that your plants are properly nourished.
  • Stronger plants: Seasol promotes plant health and stress tolerance, whereas Charlie Carp promotes growth and vitality, resulting in hardy plants that can survive in a variety of environments.
  • Protection against pests and diseases: By combining the two treatments, you provide your plants an all-around defence system, as healthier plants are less prone to pests and illnesses.

Application guidelines

In terms of application, we recommend following the manufacturer’s recommended dilution rates and application frequency for each product when using both items together. 

Be wary of any nutrient imbalances or over-fertilisation, and keep a close eye on your plants for symptoms of stress. Remember that moderation is essential for getting the greatest outcomes while not damaging your plants or the environment.

In sum, Charlie Carp and Seasol significantly benefit Australian home gardeners and plant aficionados. You may decide which product, or combination of products, is best for your garden by studying their distinctions and considering your individual needs. Good luck with your planting!

If you’re still looking for more information on fertilisers, head to our comprehensive guide on GOGO juice vs Seasol or PowerFeed vs Seasol!


What is the meaning of NPK?

NPK stands for Nitrogen, Phosphorus, and Potassium, which are essential macronutrients for plant growth, health, and reproduction.

Does Seasol have nitrogen?

Seasol contains trace amounts of nitrogen, but it is primarily a seaweed-based growth stimulant that focuses on enhancing overall plant health rather than providing substantial nutrients.

Is Charlie Carp good for tomatoes?

Charlie Carp is great for tomatoes, as it provides essential nutrients that promote healthy growth, strong root systems, and improved fruit production.