Want a richer soil that can carry more of the feeding load?
Tropic Bat Mix 50L combines a quality peat-based substrate with Original Bat Guano Pro, giving established plants a strong reserve of nutrition already built into the growing medium.
The mix is made from 45% Baltic peat, 45% German peat and 10% perlite, giving you good moisture retention without sacrificing drainage or air around the roots.
Bat guano adds slow-release organic nutrition, while lime and magnesium limestone help buffer the substrate to a stated pH of 5.7. The result is a rich, ready-to-use soil that's especially well suited to established plants moving into vigorous growth and flowering.
The main reason growers choose Bat Mix is the nutrition that's already in the soil.
Bat guano is naturally nutrient-rich and is particularly valued for its phosphorus content. Rather than relying entirely on bottled nutrients from the start, the organic material in the substrate is gradually broken down within the root zone, making nutrition available over time.
That makes Tropic Bat Mix a good option if you want a soil that can do more of the work during the early part of the grow.
It's richer than a Light Mix and has a more specific bat-guano focus than a general All Mix, so we'd use it with established plants rather than delicate seedlings or newly rooted cuttings.
A heavily fertilised soil is only useful if the physical structure around the roots is right.
Tropic uses 45% Baltic peat and 45% German peat for moisture retention, with 10% 2–6mm perlite added to improve drainage and aeration.
The peat keeps water and nutrition evenly distributed through the pot, while the perlite prevents the substrate becoming unnecessarily dense and helps fresh oxygen return to the root zone between waterings.
Don't keep Bat Mix constantly saturated. Give the pot a proper wet-and-dry cycle and allow excess water to drain freely.
Tropic Bat Mix already contains a strong nutrient charge, so you don't need to start pouring full-strength bottled feed into fresh soil immediately after transplanting.
Let the plant establish and make use of what's already in the substrate first.
How quickly additional feeding becomes necessary will depend on the size of the plant, pot volume and growing conditions. An established plant in a relatively small pot will work through the available nutrition much faster than a smaller plant with a large volume of fresh soil.
Use plant demand as your guide rather than feeding heavily from day one.
When the built-in nutrition starts to run down, we'd pair Tropic Bat Mix with the Shogun Complete Soil Nutrient Kit.
The kit is built around Shogun Samurai Terra Grow and Samurai Terra Bloom, with the supporting products needed to build a complete soil feeding programme through the rest of the crop cycle.
It's a simple combination: let the Bat Mix provide the rich starting medium, then introduce the Shogun programme gradually as plant demand increases.
If you're choosing Bat Mix, you're probably doing it because you want a richer soil with more built-in nutrition – and that's exactly where Tropic makes sense.
You get a proper peat and perlite substrate with a genuine bat guano charge, good drainage and a pH that's already been prepared for soil growing.
We'd choose it over Tropic All Mix when the bat guano itself is part of what you're looking for, particularly for established flowering and fruiting plants.
Just remember that richer isn't always better for every stage. Don't treat this like Light Mix and immediately pile extra fertiliser on top. Let the media earn its keep first.
Bat Mix already brings plenty to the table. After potting up, resist the temptation to immediately add a heavy nutrient feed. Give the plant time to establish and use the nutrition already available in the substrate, then introduce your soil feed progressively as demand increases.
Can you use organic nutrients like biobizz with this substrate?
Yes, absolutely! Tropic Bat Mix is fully compatible with organic nutrients like Biobizz. It’s a rich, soil-based mix that works perfectly with organic feeding schedules — just start feeding once the plant begins using up the nutrients already in the mix (usually after 2–3 weeks, depending on pot size and plant size).
What is the best veg nutrient and flower nutrient to use with tropic bat mix. Thanks
We would recommend using the Shogun Samurai Terra Grow & Bloom nutrients with the Tropic Bat Mix.
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