15LB Mix Lava Rocks for Plant Gravel Pebbles for Bonsai Succulent Potting Soil, Top Dressing and Terrarium Plants,

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similar products:

Horticultural Pumice for Plants Professional Sifted (20QT, 1/4 inch)

18 Pounds Green Zeolite Rocks for Succulents Cactus Plants Decorative Stones Pebbles

comments:

Jolly_Corgi1830 posted on r/semihydro2w

I basically just got whatever I could find on Amazon. The pumice is 1/4”. The zeolite has some bigger pieces, but I wasn’t too worried about it. Here are the links to what I use: Pumice: https://a.co/d/0eYLDxrS Zeolite: https://a.co/d/0d2GPevp Lava Rock: https://a.co/d/097IlEZe :)

Horticultural Pumice for Plants Professional Sifted (20QT, 1/4 inch)

18 Pounds Green Zeolite Rocks for Succulents Cactus Plants Decorative Stones Pebbles