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and higher levels in flowering
It is available in two different colours (Grow & Bloom)
This regulates the lifetime of the product and ensures you do not use more than is necessary
keeping it in the ideal range for optimal nutrient absorption
ONA Spray comes in a convenient 250ml (8oz) bottle
Ona Block 170g - Polar Crystal Shipping and higher levels in floweringONA Block Small Size, Large performance The ONA Block is a small quiet workhorse when it comes to odour control. Put it anywhere and unwanted smells will be taken out the air. A small block packed with natural essential oils that are released in a timely manner, neutralising and destroying any airborne odours. Whether you put it in your gym bag, entrance closet or under your car seat, it will neutralise the strongest odours without being noticed.
