The Top 5 Best Mushroom Substrate Jars: A Review Guide

By Eve Simmons •  Updated: 03/20/21 •  9 min read

A mushroom substrate is simply a material that mycelium can grow on. Substrates are essential materials needed for the growth of mushrooms. While there are a ton of mushroom substrate types and kits to choose from, one of the problems most people have is finding a great mushroom substrate jar that will ensure results.

These jars have been made with some of the best materials available, thus, ensuring that you can successfully store and grow your mushrooms. In this article, we’ll be providing an in-depth review of the top 5 mushroom substrate jars on the market.

1. Out-Grow BRF Jars (Brown) 

This jar from Out-Grow has been fully sterilized and made ready for inoculation. Being on the market for almost 10 years, this jar is perfect for the medium growing of almost any mushroom strain you can think of.

This jar comes with an exchange filter to ensure that no atom of vermiculite is left. Unlike most of the other jars, you can wash and reuse this jar as often as you’d want to.

As mentioned earlier, one of the most important features of this jar is that it is capable of growing almost any type of mushroom gourmet you have in mind. Yes, it is that good.

Unlike a few of the other jars you may have used before, this jar from the Out-Grow brand offers you a 100% success rate. Additionally, this jar comes with enhanced nutrient substrates that will help your mushrooms grow bigger and healthier.

Specifications 

Pros

Pros
  • Perfect for almost every mushroom gourmet type
  • Comes with enhanced substrates for the successful growth of your strains
  • Offers you a 100% success rate

Cons

Cons
  • It is quite expensive

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2. Out-Grow Sterilized Rye Berry Mushroom 

While most of the jars you would find available for purchase at the moment tend to focus on offering you a large-sized jar for your strains, the Out-Grow mushroom substrate jar seeks to offer quantity and quality all at the same time, further proving that these features are not mutually exclusive.

This product comes with a 4-quart jar that has been sterilized with the right amount of grains. In addition to this, it comes with a self-healing port that has been attached for inoculation. Unlike the other jar reviewed, this has been made ready to use immediately.

Once you get your hands on this jar, the first thing to do is immediately inject a gourmet mushroom spore and allow it to colonize for at least 10 days. This jar allows you to either do grain-to-grain transfers or have it spawn directly.

In addition to all of these amazing features, this jar is made from some of the highest materials available. It is perfect for almost all of the mushroom gourmet types you have in mind.

Finally, this jar and its lid are both washable and reusable.

Specifications 

Pros

Pros
  • Made by one of the biggest brands in the industry
  • It is easy to make use of
  • Jar and lid are reusable
  • Offers you real value for your money

Cons

Cons
  • Does not come with enhanced materials needed for growth

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3. BRF Jar – Mushroom Growing Jar 

If you’ve used any of the substrate jars available right now, then you would agree that almost all have been sterilized and are made ready for use once you get them. This jar does not fail in that regard, and it comes sterilized and ready for use. Also, it is a perfect jar for anyone seeking to try out mushroom growing for the first time. It is incredibly easy to make use of.

Like most of the other jars reviewed, this product is perfect for almost every mushroom strain type and it surprisingly has a 100% success rate accompanied by an unfailing zero contamination rate. If this is your first time growing mushrooms, this may just be the best jar for you.

A filter patch has also been attached to this jar to help remove materials. Like some of the others, this jar comes with a perfect blend of gypsum, organic rice, and vermiculite. These materials are needed for the successful growth of your mushroom strain.

While this jar has a variety of features, one of its flaws is that it was designed by an unknown brand in the industry. Although this may not entirely matter to you, it may matter to others who may doubt their claim of a 100% success rate.

This product is remarkably cheaper than some of the other jars.

Specifications 

Pros

Pros
  • Ideal for beginners
  • Perfect for all mushroom strains
  • Comes with essential nutrients
  • 100% success rate
  • Zero contamination

Cons

Cons
  • Designed by an unknown brand

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4. BetterFungi Mushroom Sterilized Rye Grain Mushroom Jar 

Weighing in at 5.29 pounds, this jar from the BetterFungi brand has to be one of the best mushroom substrate jars anyone can get their hands on right now. Like most of the others, this jar has been sterilized and made ready to be used after purchase.

While this jar can be used by anyone, beginners included, it is ideal for experienced users. If you’re looking for a jar that offers you real-life experience of what it means to grow mushrooms, this is the perfect jar for you. Depending on your preference, you can spawn by spore syringe or directly from a liquid.

This product takes about 10-14 days to colonize. While this is ideal for individuals that want to master the process of growing mushrooms, it is not perfect for beginners.

Specifications 

Pros

Pros
  • Ideal for beginners and professionals alike
  • Enables you to master the process of growing mushrooms
  • Ready for use

Cons

Cons
  • Takes more time for the mushroom to colonize than other jars

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5. Forest Organics BRF Brown Rice Mushroom Jar

If you’re looking for a substrate jar with a 100% success rate and zero contamination, this may just be the right one for you. This jar, designed by one of the leading brands in the industry, has been built to offer you acceptable storage space for your mushroom strains.

As the name suggests, this jar is made from brown rice and a couple of other organic materials. These materials have been attached to ensure that your mushrooms grow healthier and larger than you may have envisioned.

Like all of the other jars reviewed, this product is sterilized and ready for use at any time. It comes with a clear tap that allows you to carry out fuss-free and ideal inoculations. In addition to this, this product allows you to grow a wide variety of mushrooms, depending on your preference.

Sterilized by the brand’s unique pressure and sterilization machines, this is a zero-contamination jar. Like some of the others, it is easy to make use of and ideal for both amateurs and professionals alike.

Once you get your hands on this jar, it is advised that you make use of it immediately. This is because the brand only offers a 14-day warranty. This is sadly one of the few disadvantages of this amazing jar.

Specifications 

Pros

Pros
  • Ideal for both amateurs and professionals
  • Easy to make use of
  • Ensures fuss-free inoculations

Cons

Cons
  • Short 14-day warranty

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Buying Guide for Mushroom Substrate Jars

Having reviewed some of the best mushroom substrate jars you can find at the moment, we should discuss some of the factors to take into consideration when shopping for these jars.

Budget

Budget is one of the most important things to consider when shopping for anything, including mushroom substrate jars. With the jars offering a variety of features, you need to have a flexible budget if you want to get the best one.

Having a flexible budget will enable you to get the best jar either as a beginner or an expert.

Mushroom Types

Since there are quite a few mushroom types, you need a jar that can conveniently grow any of the species with ease. This is not just convenient but also cost-effective. With a single jar, you can grow as many mushroom strains as you want.

It helps save you money and gives you more versatility when growing your garden.

Contamination and Success Rate

An ideal substrate jar should have a higher success rate and a low contamination rate. Growing mushrooms on any jar you opt for should be successful. Also, there should be a low contamination rate. Fortunately, the jars reviewed in our list have these features.

Conclusion

Finding great mushroom substrate jars for your mushroom-growing projects is one of the best decisions you can make as a grower. We have reviewed some of the best ones to choose from, as well as discussed a few factors to be on the lookout for.

Happy growing!

Eve Simmons