When it comes to musty plant smells in your grow room everyone knows that there's no substitute for a carbon filter and extractor fan. Obviously these combine to filter out unpleasant smells but this doesn't mean you'll be able to avoid the odd whiff of an unwanted odour every now and again. The ONA range of products certainly can't replace your extraction system - lets be clear about that! What they are able to offer you is a highly effective, environmentally friendly means of masking any bad smells that may escape.
ONA Blocks come available in three different smells - Fresh Linen, Polar Crystal and Pro. ONA Pro Gel will last significantly longer than an ONA Block but works in exactly the same way. Simply remove the lid and place the tub anywhere near the entrance to your grow room or exhaust outlet - it'll take care of the rest! Sound good? Smells great!
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