The Battle of the Growing Media

A Review of Top Picks and The Vital Role of SimPro Nutrient Formula

If you’re an indoor cannabis grower, you already know that the medium in which your plants grow significantly determines their health and yield. Today, we will look at some top-performing growing media and discuss how SimPro Plant Nutrient Formula can offer your plants the ultimate nutrition they need post the first 30-day period. Let’s dive in.

1. Botanicare ProGro MP4 Mix – Mycorrhizae

ProGro MP4 Mix is a well-blended, balanced medium that includes mycorrhizae – a beneficial fungus that enhances root development and nutrient uptake. Mycorrhizae makes it an excellent choice for cannabis plants, enhancing their resilience and promoting lush growth.

2. Royal Gold Mendo Mix — 1.5 Cu. Ft. 60/plt

Mendo Mix is packed with high-quality ingredients like aged forest products, fir bark, and chicken manure, which create a light-textured and well-draining medium. It’s ready to use right out of the bag, a definite plus for beginners.

3. Roots Organics Formula 707 — 3 Cu. Ft.

A peat-based mix with added compost, coco fiber, and perlite for enhanced moisture retention and aeration, Formula 707 encourages vigorous root growth. It also includes a dose of organic fertilizers to get your plants off to a good start.

4. Sunshine Mix # 4 Natural & Organic w/ Mycorrhizae 3.8 cu ft

Sunshine Mix #4 includes mycorrhizae and is designed to ensure optimal nutrient and water availability to your plants. It’s an excellent option for indoor cannabis growers looking for a medium that supports vegetative and flowering stages.

5. FoxFarm Happy Frog Potting Soil, 2 cu ft

Happy Frog soil is enriched with beneficial microbes and fungi that help improve root efficiency and encourage plant growth. The texture is light, making it an ideal medium for indoor plants. Plus, it’s ready to use straight out of the bag.

6. FoxFarm Ocean Forest Organic Potting Mix – 1.5 Cu. Ft.

The Ocean Forest Mix is a powerhouse of organic ingredients, including earthworm castings, bat guano, and fish and crab meal. It’s a bit more nutrient-rich than other options, which can be advantageous if you’re looking to boost plant growth and yield.

7. Premier Tech Pro-Mix HP Growing Medium with Mycorrhizae 3.8 cu ft

Pro Mix HP high porosity peat-based mix has a great air-to-water ratio, making it a solid choice for cannabis growers. It also contains mycorrhizae for enhanced root growth and nutrient absorption.

SimPro Nutrient Formula & Media

And now, let’s talk about the vital role of SimPro Plant Nutrient Formula in your plants’ development after their initial 30 days. It’s a complete nutrient solution to ensure your plants get the precise nutrition they need.

The first 30 days of growth are crucial, but without the proper nutrients in the later stages, your plants won’t be able to reach their full potential. SimPro fills this gap, providing balanced nutrition that enhances the ability of your plants to uptake water and nutrients, promoting healthy, vigorous growth and high yields.

It complements any above-growing media perfectly, providing the ‘nutrition bridge’ your plants need to move from their initial growth phase into the flowering stage.


Choosing suitable growing media is your first step toward successful indoor cannabis cultivation. Combine it with SimPro Plant Nutrient Formula, setting the stage for a thriving indoor garden. Remember, the foundation you lay now can make all the difference in your yield. Happy growing!


Want to learn cool plant-growing secrets?

Hey I’m Cartier Crops. Since 2018, I’ve been helping passionate cultivators in the cannabis industry. Join our community and get insider knowledge about plant cultivation.

Picture of Cartier Crops

Cartier Crops

Cartier Crops has been breeding seeds since 1998. In 2018, he started helping dedicated cultivators in the cannabis industry. Through his content, Cartier shares advanced techniques, the latest research, and expert insights to support growers. With his guidance, 28,000 individuals have turned into successful plant-growing champions.

Join Cartier Crops

Please enable JavaScript in your browser to complete this form.

As promised, you’ll get access to Cartier Crops. I’ll also send you emails with helpful products and resources. Clicking submit gives me express consent to send these types of emails. Opt-out anytime :-)