R&R SHOP – Fine Lava Rock for Plants, 100% Natural PH Neutral, Ideal for Germina

Suitable for hydroponic systems for a 100% Natural Substrate. USE: For an ideal mix, add 10-20% of Lava Rock based on the need for aeration of the land. Fine Lava Rock. FINE LAVA ROCK. Suitable for hydroponic systems for a 100% Natural Substrate.

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