Optimize Your Hydroponic Garden's Bloom Phase with Growth Technology Optimum Bloom A and B

Enhance the fruiting and flowering stage of your hydroponic plants' growth cycle with Growth Technology Optimum Bloom A and B. Specially designed for use in hydroponic systems with clay, perlite, or rockwool-based growing media, this high-quality nutrient solution ensures your plants receive all the essential nutrients they need for healthy growth and improved fruit and flower quality.

Features and Benefits

  • Complete and Balanced Nutrient Solution: Optimum Bloom A and B constitute a comprehensive twin pack solution that caters to all the nutritional requirements of hydroponic plants, ensuring healthy growth and development.
  • Trusted Hydroponic Nutrient: For over 20 years, Optimum Bloom has remained one of the most reliable hydroponic nutrient solutions in Australia, trusted by gardeners for superior results.
  • Reduced Usage Rate: With Optimum Bloom, you'll need 20% less solution than for Ionic Bloom, which requires 10ml/L, offering a more efficient and cost-effective solution.
  • Easy Mixing Ratio: Achieve a full-strength nutrient solution with a mix rate of 4ml/L Part A and 4ml/L Part B, making it simple and convenient for gardeners of all experience levels to use.
  • High Phosphorus and Potassium Content: With elevated phosphorus and potassium levels, Optimum Bloom promotes enhanced fruit and flower quality, ensuring your plants reach their full potential during the bloom phase.

How to Use

  1. Shake well the Optimum Bloom Part A and Part B nutrient bottles separately before use.
  2. Fill your nutrient reservoir with appropriate growing media for your hydroponic system, such as clay, perlite, or rockwool.
  3. Add 4ml/L of Optimum Bloom Part A to the nutrient reservoir, and mix thoroughly.
  4. Add 4ml/L of Optimum Bloom Part B to the nutrient reservoir, and mix thoroughly once again.
  5. Adjust the pH level of the nutrient solution to the desired range, ensuring optimal plant growth.
  6. Monitor the nutrient solution's EC levels to ensure proper nutrient uptake and avoid over- or under-feeding your plants.

Aqua Gardening Suggests These are Best For

Optimum Bloom A and B nutrient solution is best suited for hydroponic gardeners cultivating plants in growth media like clay, perlite, or rockwool. It is perfect for those looking to enhance the blooming and fruiting phase of their hydroponic plants, ensuring improved fruit and flower quality as well as increased yield overall.

Notes from Aqua Gardening

  • Always use Optimum Bloom Part A and Part B in equal amounts - do not use one without the other.
  • Do not mix Optimum Bloom Part A and Part B together; add each part separately to the nutrient reservoir.
  • Store bottles in a cool, dark place, and avoid exposure to direct sunlight to preserve nutrient quality.


What is Optimum Bloom designed for?

Optimum Bloom is a nutrient solution specifically designed for use in hydroponic systems with clay, perlite, or rockwool growing media. It is intended to provide essential nutrition to plants during their fruiting and flowering stages, improving the overall quality of fruits and flowers.

How does Optimum Bloom compare to Ionic Bloom in terms of usage?

When using Optimum Bloom, you need 20% less quantity compared to Ionic Bloom. While Ionic Bloom requires 10ml/L, with Optimum Bloom, you only need to mix 4ml/L Part A and 4ml/L Part B for a full strength solution.

Why should I choose Optimum Bloom for my hydroponic garden?

Optimum Bloom holds a reputation as one of Australia's most trusted hydroponic nutrient solutions due to its complete and balanced nutrient mix for healthy plant growth. As part of a twin-pack nutrient system, it effectively supplies all the necessary nutrients your plants require during their fruiting and flowering stages.

How long has Growth Technology been producing Optimum Bloom?

Growth Technology introduced Optimum Bloom over 20 years ago, and it remains a popular choice for hydroponic gardeners today.

Can I use Optimum Bloom with any type of hydroponic system?

Yes, Optimum Bloom is a versatile nutrient solution compatible with different types of hydroponic systems that use clay, perlite, or rockwool growing media.

What is the recommended mixing rate for Optimum Bloom?

The recommended mixing rate for Optimum Bloom is 4ml/L of Part A and 4ml/L of Part B for a full strength nutrient solution to support your plants' fruiting and flowering phases.

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