Soil Ninja
Slow-Release Fertiliser
Slow-Release Fertiliser
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Tired of feeding your plants every few weeks? Well check out our Slow Release Fertiliser!
We’ve been working hard to find the best possible fertiliser to complement our Semi-Hydro mix, and we’ve developed an 8–9 month slow release formula that provides all the required nutrients and minerals for strong root support and healthy plant growth. With a hearty NPK of 11-21-9 + 6% Mg, it’s packed full of essential nutrients to help your plants thrive.
This fertiliser can also be used in most soil mixes, making it a versatile option for a wide range of setups!
Please note:
Do not use any additional fertiliser alongside Slow Release, as it is designed to be a complete feed on its own.
Maximum recommended dosages: 2% of total mixture volume. For further advice, feel free to contact us.
Not sure which blend to choose?
Then check out our Houseplant Index! We've done all the hard work for you, simply search your plant's name and the guide will tell you it's preferred mix.
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100% Peat Free
All of our mixes are fully peat free, 100% freshly made to order and packed with beneficial microfauna. The natural stuff your plants love and need for healthy growth and nutrition.
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Trusted By Enthusiasts Everywhere
Our products are trusted by houseplant enthusiasts of all experience levels and it's because of that, our soil is used internationally. Still unsure? Check out our reviews on Google!