Comprehensive Guide to Making Shrimp Probiotics

Welcome to this in-depth guideOpens in a new tab. where I’ll demonstrate the process of creating an effective shrimp probiotic called Lacto, This probiotic not only promotes shrimp health but also contributes significantly to their growth, reproduction, and the overall health of the aquarium ecosystem.

The Role of Probiotics in Shrimp Tanks

Probiotics, specifically designed for shrimp, play a pivotal role in maintaining a healthy tank environment. These beneficial bacteria aid in digestion, improve nutrient absorption, and create a healthier environment for shrimp to thrive.

They can be particularly useful in managing waste and improving water quality, which are essential for the well-being of shrimp.

Benefits of Probiotics

  • Improved Growth: Probiotics contribute to better growth rates in shrimp by optimizing their digestive processes.
  • Enhanced Reproduction: A healthy gut flora, aided by probiotics, leads to increased fertility and breeding success.
  • Overall Vitality: The introduction of probiotics helps maintain an ecological balance in the tank, enhancing the vitality of the aquatic habitat.

Enhanced Benefits of Lacto Probiotics

Lacto probiotics, like the ones we’re creating, are particularly beneficial in a variety of aquatic environments, especially for shrimp keepers.

Adaptability to Water Conditions

  • Soft WaterOpens in a new tab. Environments: These probiotics thrive in soft water conditions, which are common in shrimp tanks. They help maintain a balanced ecosystem, essential for delicate shrimp species.
  • Neutral pH Tanks: Even in tanks with a neutral pH, lacto probiotics perform effectively, adapting to a range of water conditions while still offering their full benefits.

Acid-Loving Bacteria

  • Ideal for Acidic Settings: Being acidophilic, lacto probiotics flourish in acidic environments. This makes them especially effective in tanks with lower pHOpens in a new tab. levels, where they contribute to maintaining a healthy microbial balance.

Accelerating the Cycling Process

  • Enhanced Waste Breakdown: These probiotics speed up the cycling of the tankOpens in a new tab. by efficiently breaking down waste and converting nutrients. This leads to a quicker establishment of a stable and healthy aquarium environment.
  • Nutrient Management: By facilitating faster decomposition of organic matter, lacto probiotics ensure better nutrient management, contributing to clearer water and healthier shrimp.

Essential Tools and Ingredients

To begin crafting your shrimp probiotic, gather the following tools and ingredients, ensuring quality and appropriateness for the best results.

Tools Required

  • Container: A flexible bottle, like a cola bottle, is ideal for fermenting the probiotic.
  • Measuring Tools: A funnel and spoon for precise measurements.
  • Scales and Glasses: Essential for accurate ingredient portioning.


  • Brown Rice: 150g of brown rice is preferred over white rice due to its higher nutrient content and presence of natural probiotics.
  • Brown Sugar: 40g of brown sugar serves as a foodOpens in a new tab. source for the bacteria.
  • Salt: 10g of high-quality salt, such as Nordic Norwegian sea salt, provides essential mineralsOpens in a new tab..

Step-by-Step Preparation Process

Creating the probiotic is a straightforward process, requiring careful addition and mixing of ingredients.

Preparing the Mixture

  1. Layering Ingredients: Begin by adding salt, followed by brown rice, and then brown sugar into the bottle using a funnel. This order helps in preventing clogs and ensures an even distribution.
  2. Adding Water: Slowly pour one liter of cooled, boiled water into the bottle, which helps integrate the ingredients.
  3. Shaking the Bottle: Firmly close the bottle and shake vigorously about 50 times. This action is crucial to dislodge lactobacillus from the rice grains, initiating the fermentation process.

Daily Care and Monitoring

Regular maintenance is key to a successful probiotic culture.

Gas Management

  • Releasing Gas: Daily venting of gas is crucial to prevent overpressure.
  • Observation Tips: Monitor the air gap and the expansion of the bottle to gauge the activity of the culture.

Assessing the Culture’s Health

  • Smell Test: A healthy culture should emit a sweet, dough-like smell. Discard if it smells rotten.
  • Visual Clues: Look for signs of fermentation such as bubbling and changes in the texture of the mixture.

Effective Usage in Shrimp Tanks

Determining the right amount to add to your tank can vary, but here are some guidelines:


  • Large TanksOver 10 Gallons: For larger tanks, approximately 5ml of the probiotic solution can be used.
  • Smaller Tanks Under 10 Gallons: In smaller tanks, reduce the dosage to about 2.5ml.
  • Application Frequency: It’s best to apply the probiotic after a water changeOpens in a new tab. to maximize its effectiveness.

Observing Reactions

  • Shrimp Activity: After adding the probiotic, observe any changes in shrimp behaviorOpens in a new tab.. Increased activity and feeding are positive signs.
  • Water Clarity: Over time, you should notice an improvement in water clarity and quality.
Shrimp probiotics Lacto

Maintenance and Longevity of the Culture

Proper storage and care can extend the life of your probiotic culture.

Storage Tips

  • Dark, Cool Place: Store the bottle in a dark area at room temperature to maintain the culture’s viability.
  • Avoiding LightOpens in a new tab. Exposure: Direct sunlight can be detrimental to the bacteria, so a shaded spot is ideal.

Renewing the Culture

  • Adding Fresh Ingredients: When the culture ceases gas production, refresh it with half the initial amount of brown sugar and salt. The rice usually remains effective for several cycles.
  • Signs of Aging: Look for changes in color or consistency as indicators that the rice needs replacing.

Visual Demonstration: Watch the Probiotic Lacto Making Process

For those who prefer a visual walkthrough of the probiotic-making process, I’ve created a detailed video tutorial. This video will guide you through each step, offering practical tips and visual cues to help you successfully create your own shrimp probiotic.

Watch the Video Tutorial Here:

How to make lacto probiotics for shrimp

In this video, you’ll see firsthand how I mix the ingredients, the consistency to aim for, and how to properly manage the fermentation process. It’s a great resource for both beginners and experienced shrimp keepers looking to refine their probiotic-making skills.

Creating your own shrimp probiotic is a rewarding experience that can significantly benefit your shrimp tanks. This guide provides a comprehensive overview of the process, from preparation to application. Regular monitoring and maintenance of the culture will ensure its longevity and effectiveness.

Remember to label your culture with the date of preparation, and feel free to experiment with dosages based on the specific needs of your tankOpens in a new tab.. If you’ve found this guide helpful or have further insights into shrimp probiotics, please share your experiences and continue exploring other related content on the channel.

Happy Shrimp Keeping

MarkOpens in a new tab.


Mark has been passionate about aquariums for over 40 years.

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