Grodan / Rockwool

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At Online Top Garden you will find various brands of rockwool slabs. Rockwool is ideal for growing with not automatic irrigationsystems, rockwool keeps a lot of water inside of it, is compact, light and cheap. Do keep in mind that you need to take out the acids very well with rockwool to maintain the flexibility (minimum pH value of 5). We offer slabs that vary in sizes from 100 x 10 cm to 130 x 15 cm. As you see we offer something for every grower!