WUKIR
THE MINERAL STANDARD
100% soilless, inert mineral substrates for aroids, bonsai, and serious plant collectors — sourced and formulated in the volcanic highlands of East Java.
From the Volcanic Highlands of East Java
WUKIR sources pure, inert minerals directly from named forest clusters and volcanic quarries in Kediri, Malang, and Surabaya. Through a short, traceable supply chain, we ensure that every substrate particle meets our uncompromising standard for mineral purity and environmental stability before it reaches your collection.
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Superior Aeration
Deeply porous pumice, lava rock, and bark give roots the oxygen and drainage that specialist collectors' plants demand.
Inert & Stable
A purist, 100% soilless composition: no compost, no breakdown, no nutrient leaching. Long-term stability you control.
Balanced Moisture
Engineered particle grading balances water retention with fast drainage, so roots stay hydrated but never waterlogged.
East Java Sourced
Every mineral is traced to a named quarry or forest cluster in East Java — premium quality with an honest origin.
Master Your Medium
The Mineral Range
Five soilless, inert substrates, each engineered for a specific plant and its roots.
Choose by plant, or blend your own from our single-ingredient range.
Five soilless, inert formulas — each precision-built for a specific plant, from everyday aroids to bonsai-grade mineral mixes.
Highland Aroid & Jungle
For aroids & jungle plants
Highland Mineral
For succulents & cacti
Volcanic Palm
For palms & large pots
Aglaonema & Caladium
For moisture-loving foliage
