Black lava rocks are an economical way to achieve a fascinating burnt effect and elegant appearance. It can withstand extremely high temperatures without damage, degrade or crumble.
These black or red fire glasses have a natural porous appearance, which determines the highest fluidity of the gas. During combustion, the flame yield is improved by dispersing the gas in all directions.
Size: 1-2 cm; 5-10 cm; 1 kg/pack Available in black or red with porous appearance. No chemicals, fillers or colors added.
Lava rocks are widely used as a soil additive, as a top condiment in bonsai art, as a lower layer of transplantation or as a soil amendment, etc.
It is the perfect filling for filling pots and covering the bottom of aquariums, terrariums, flower arrangements, bowls, cacti and potted plants.
