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making maintenance straightforward and hassle-free
you can create the perfect growing environment for healthy
Ideal for both indoor and outdoor cultivation
ensuring perfect moisture balance throughout the grow
Easy to Use: Simple to mix and incorporate into your feeding schedule
ONA Blocks Gro-Tank Spares & Accessories making maintenance straightforward and hassle-freeOna Blocks are a simple way to get rid of unwanted smells naturally. Simply place the block in the area where you want smells to disappear, hallways and porches are a common use for this product, and the smell will be removed and replaced with the smell of the block. Available in 4 different scents with the biggest sellers being Pro and Fresh Linen. Once you start using ONA youll never stop, you just get used to having the pleasant smell around. Each