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SUPPLY YOUR HIGH SINCE 1997
EU-WIDE SHIPPING
NEUTRAL PACKAGING
HUGE SELECTION
These stonewool (rockwool) blocks should be soaked in pH 5.5 water overnight before you use them.
They come with a neutral pH value of 7.0.
Properties "Grodan rockwool block 7.5 x 7.5 x 6.5 cm"
Brand: Grodan
Material: Stonewool

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Manufacturer information: ROCKWOOL B.V. | P.O. Box 1160 | 6040 KD Roermond | Niederlande | info@grodan.com