Bulk Discounts



The more you buy the more you save!


10 Pounds of 50/50 Mix Mushroom Substrate

10 Pounds of 50/50 Mix Mushroom Substrate

Out-Grow's 50/50 Mix 50% of our great horse manure based mushroom substrate and 50% golden wheat straw This sale is for 2 five pound bags This is...

$47.00



10 Pounds of Casing Soil

10 Pounds of Casing Soil

Enjoy a bulk discount price on Out-Grow's casing soil. You will get 10 pounds of our premium casing soil for mushroom substrate.

$50.00



10 Pounds of Manure Based Mushroom Substrate

10 Pounds of Manure Based Mushroom Substrate

This bulk discount is for 10 pounds of manure based mushroom substrate used for the cultivation of gourmet mushrooms. This will come pre-sterilized...

$47.00



12 Pounds of Sterilized Rye Berries Mushroom Substrate

12 Pounds of Sterilized Rye Berries Mushroom Substrate

This bulk discount is for twelve 1 pound bags of sterilized rye berries. This product is 100% ready to use at your front door. Use our sterilized rye...

$57.00



12 Quart Jars of Sterilized Rye Berries Mushroom Spawn

12 Quart Jars of Sterilized Rye Berries Mushroom Spawn

Enjoy a bulk discount on 12 of our pre-sterilized quart jars of rye berries. These are used for making your own mushroom spawn. These jars have a...

$75.00



15 Pounds of Manure Based Mushroom Substrate

15 Pounds of Manure Based Mushroom Substrate

This bulk discount rate is for 15 pounds of our manure based mushroom substrate. This product will arrive in three 5 pound bags.

$60.00



20 Pounds of Pasteurized Straw Bulk Mushroom Substrate

20 Pounds of Pasteurized Straw Bulk Mushroom Substrate

This bulk discount is for 20 pounds of pasteurized straw mushroom substrate. A fantastic price for this premium product! The product will arrive...

$63.00



25 Pounds Of 50/50 Mix Mushroom Substrate

25 Pounds Of 50/50 Mix Mushroom Substrate

Out-Grow's 50/50 Mix 50% of our great horse manure based mushroom substrate and 50% golden wheat straw This sale is for five 5 pound bags This is...

$90.00



25 Pounds of Manure Based Mushroom Substrate

25 Pounds of Manure Based Mushroom Substrate

Enjoy our discount prices when you buy in bulk! You cannot find a lower price anywhere! You will receive five 5 pound bags of our premium Manure...

$90.00



25 Pounds of Sterilized Rye Berries Mushroom Substrate

25 Pounds of Sterilized Rye Berries Mushroom Substrate

Buy in bulk and save! You will receive twenty-five 1 pound bags of sterilized rye berries in mushroom grow bags at a great discounted price!

$90.00



50 Pounds Of 50/50 Mix Mushroom Substrate

50 Pounds Of 50/50 Mix Mushroom Substrate

Out-Grow's 50/50 Mix 50% of our great horse manure based mushroom substrate and 50% golden wheat straw This sale is for ten 5 pound bags This is the...

$170.00



50 pounds of Manure Based Mushroom Substrate

50 pounds of Manure Based Mushroom Substrate

The more you buy, the more you save! Enjoy an even deeper discount for Manure Based Mushroom Substrate. Let Out-Grow be your provider of premium...

$170.00



50 pounds of Sterilized Rye Berry Substrate

50 pounds of Sterilized Rye Berry Substrate

This bulk discount is for fifty 1 pound bags of our sterilized rye berry mushroom substrate. This is a premium product that will help you achieve...

$170.00



Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate

Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate

Enjoy a bulk discount when you buy four quart jars of rye berries and four 1 pound bags of Manure Based Mushroom Substrate. By using a 1:1 ratio (1...

$43.00