Universal Compatibility
Gen200 & Rhodos are designed to work seamlessly with all types of growing media and systems—from soil and coco to hydroponics, aeroponics, and rockwool.
Fast-Acting
Gen200 & Rhodos fertilisers dissolve easily ensuring rapid uptake by your plants. The highly concentrated & powdered formula ensures rapid results.
Cost-effective
Rhodos ensures cost-effective use and minimal waste, making it the smart choice for both commercial growers and hobbyists looking to maximise efficiency and value.

Simplicity and efficiency
Each product in the Rhodos line is designed for simplicity and efficiency, providing a straightforward approach to plant nutrition without compromising on performance.
Straightforward application
Ideal for all growing mediums and systems. Rhodos fertilisers dissolve easily, ensuring a rapid uptake by your plants with minimal waste.


Sample Packs
Our Rhodos Sample Pack is the perfect way to test the performance of our advanced fertiliser range on your own crops. Each pack is designed to treat up to 100 litres of water per week, making it ideal for small-scale trials, hobby growers, or first-time users looking to see real results before scaling up.

The first, the best,
the original ‘OSA’
Gen200 was launched in 2012 with the introduction of Control, the Original OSA (SiOH4) Formula.
Conceived for the indoor cultivation of flowers and fruit, the benefits of our proprietary orthosilicic acid recipe were quickly embraced by home growers as well.
Boost your plants defence with a Control foliar spray
Gen200 Control can be easily mixed and applied as a foliar spray, ensuring that plants receive consistent and uniform coverage without the complications of soil amendments.
Use as foliar spray: 1 ml per L (1-2 per week)
Control the height of your plants
Effective in controlling the vertical growth of plants. Feeding the plants increased doses of GEN200 Control, they will get elevated levels of silicon in their system. The physical effects this silicon has on the cell walls and outer layers of the plant prevent the plant tissue from stretching. The result is shorter plants, with decreased internode length and a multitude of side branches.
To slow vertical growth (stretch).
Add higher dilution of: 3 ml per 10 L in nutrient reservoir.
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Liquid plant insurance ‘OSA’
Gen200 Control is a proprietary ortho silicic acid (SiOH4) formula launched in 2012. It enhances plant strength, improves nutrient uptake, and boosts overall plant health, making it ideal for indoor cultivation of flowers and fruit.
Special pre soak solutions for your cloning operations
Successful cloning starts long before the cut is made — it starts with preparing your medium the right way. That’s where Rhodos by Gen200 comes in. Designed as a highly concentrated powder fertilizer, Rhodos is ideal for creating effective pre-soak solutions that give your clones the best possible start.
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Become a Gen200 Rhodos Reseller
As a Gen200 Rhodos reseller or wholesale partner, you gain access to a proven product designed for modern cultivation needs, from commercial greenhouses to indoor grow operations.