natural volcanic rock particles water purification fish tank bottom stone red volcanic rock filter material fish tank sand gardening aquarium stone special 天然火山石颗粒净水鱼缸底石红火山岩过滤材料底砂园艺铺底石专用

powerful water purification + [increase oxygen content in fish tank + help fish hair color]]

[3-6mm 2.50kg + permeable bacterium cultivation + honeycomb porous]] [5-8mm 2.50kg + permeable bacterium cultivation + honeycomb porous]] [6-9mm 2.50kg + permeable bacterium cultivation + honeycomb porous]] [1-3cm 2.50kg + permeable bacterium cultivation + honeycomb porous]] [3-6cm 2.50kg + permeable bacterium cultivation + honeycomb porous]] [3-6mm 5.00kg + permeable bacterium cultivation + honeycomb porous]] [5-8mm 5.00kg + permeable bacterium cultivation + honeycomb porous]] [6-9mm 5.00kg + permeable bacterium cultivation + honeycomb porous]] [1-3cm 5.00kg + permeable bacterium cultivation + honeycomb porous]] [3-6cm 5.00kg + permeable bacterium cultivation + honeycomb porous]] [6-9mm 20g + permeable bacterium cultivation + honeycomb porous]]