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AN Nirvana 10L
Easy Observation and Organization: Our easy-access door unzips smoothly
one of nature's finest soil amendments
Big Mama is Grodan's largest block ever produced
Please purchase an iPower inline fan instead if you require this functionality
Grodan Stonewool Grow Chunks 2 cu ft Humidifiers | Dehumidifiers AN Nirvana 10LLight, airy & versatile. Grow Chunks are about 3 4 inch square each and can be used in pots around blocks or alone. They are easily combined with other media, such as layering with coco fiber or clay pellets. They can also be combined with soil for added aeration and increased moisture holding properties. Great for hydro systems or container gardening.