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Quantity
1
3 litre box of horticultural Sponge Rock
The same composition as perlite but in larger chunks, Sponge Rock is a naturally occurring, mixed glassy silicate of volcanic origin which 'pops' when furnaced. Its unique internal structure consists...
Reviews
5.0
10 ratings
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Essential medium component
Well packaged and shipping was quick. Be careful when opening as the sponge rock can be a bit crumbly with shipping. It is in excellent shape and my orchids will be happy.
m
mins · 2 days ago
Excellent comme toujours!
Excellents produits que je commande régulièrement.