Free Shipping on all orders over $99
Chat With a Growing Expert Live (M-F 9am to 1pm CST)
Customer Support (M-F 11am to 5pm CST) 1.800.921.4717
Ultimate ½ Pint Substrate Jars (6-Pack) mushroom grow jars, PF TEK, BRF JARS, BRF, Grow mushrooms, mushroom substrate jars, ultimate pint substrate jars, mushroom growing supplies, BRF jars, sterile substrate jars, mushroom cultivation kit, mushroom grow kit, Midwest Grow Kits, mushroom growing tools, mushroom inoculation jars

Ultimate ½ Pint Substrate Jars (6-Pack) (ujar01)

4.91 stars, based on 226 reviews
Our 8oz Ultimate substrate jars are the quite possibly the best on the net! We have worked for over 15 years looking for perfection! We finally found it! We have combined special organic brown rice flour with vermiculite, mineral water, Liquid worm...

10th order and always consistent!

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
Been ordering these jars whenever I feel the need to grow a batch for what seems like 3-4 years now and I am always impressed with how quickly they arrive and the consistent quality over the years! You cant beat the price anywhere really. Ive tried ordering jars with the injection ports but its just not worth the extra money those cost. I always get around 9-11 dry grams per jar. Ive made my own jars last year and its just not worth the time/mess and hassle of gathering all the supplies needed. Thought I owe you guys a review, since this was my 10th order or something like that. Thanks so much! and thanks Jay for the growing advice and putting up with my calls and stupid questions!

LA

2nd Time Customer. No Need to Look Anywhere Else

Rating:
review-star review-star review-star review-star review-star
Pros:
  • Quality
  • price
  • speed
  • exceptional
Cons:
The first time I was purchasing the spawn Jars I had no idea who to get them from. I did my research and ended up choosing Midwest. The jars arrived with 3 of them broken...I am 100% sure this was the delivery guys fault as my neighbor said he saw the guy toss the box from the truck to my carport. I emailed Midwest anyway and they immediately sent me 3 more without any delay. It came time for me to purchase some more and I knew where to go this time. I made my order, and had them at my house in just a few days. My first time using them they exceeded my expectations and I am super excited to see how things go this time. This is a superior product from an awesome company.

3rd time

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
  • Short shelf life.
My first batch of mushrooms was a resounding success. I left my second kit lying around too long and 5 out of the 6 jars got contaminated. Totally my fault. The third batch was just as successful as the first. Awesome product.

6 jars for 30 $ to the door

Rating:
review-star review-star review-star review-star review-star
Pros:
  • Shipping
  • price
  • great product
Cons:
  • Absolutely none
I got 6 jars sterilized jars sent to my house for les than 30 total , the time alone that it takes to mix and the right amount of water with grain and verm and sterilize in a pressure cooker is well worth you dont have to worry about contamination because you didnt sterilize, will be ordering from midwest grow kits alot 5 stars!

Colorado , USA.

6 jars subtrate

Rating:
review-star review-star review-star review-star review-star
Pros:
  • Price is $4.83 per jar with shipping.
Cons:
  • N/A so far
This is second time ordering 6 Pac substrate jars. The first time was a total success with all jars inoculated fully colonized with healthy mycleum. I just inoculated the second set of jars a few days ago and am hoping for same results.