Guides
How to Size a Reverse Osmosis System for Your Grow Room
To accurately size a reverse osmosis system, calculate your peak daily irrigation volume and multiply by 1.3 to 1.5, then divide by 0.6 to account for real-world environmental derating. Because manufacturer GPD ratings assume ideal lab conditions, this formula prevents the common mistake of installing an undersized unit. Systems like the entry-level GrowoniX GX200 provide reliable filtration for smaller setups.
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