Volcanic Aqua Blend is a porous volcanic mineral substrate in uniform 3-5 mm granules. The granules wick moisture upward and leave open air pockets between them, which makes the blend popular for semi-hydroponics, aroid rooting, and propagation.
Perfect For
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Alocasia corms: rooting and corm germination
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Tissue cultures: a granular medium for acclimatizing plantlets out of agar
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Semi-hydro conversions: passive wicking setups such as wick pots, net cups, and pon-style reservoirs
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Aroid cuttings: monstera, philodendron, anthurium, and syngonium
Why Volcanic Aqua Blend?
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Porous capillary action: wicks moisture upward while leaving air pockets between granules
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Stable structure: uniform granules hold their shape instead of breaking down or compacting
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Visual moisture cues: granules lighten in color as they dry, so it is easy to see when to water
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Ready to use: packaged dry and pre-screened in resealable pouches
How to Use
1. Alocasia corms and node propagation. Fill a propagation cup or shallow container with Volcanic Aqua Blend. Place the corm upright, nestled roughly 1/3 into the granules (do not bury completely). Add water until it sits just below the base of the corm, or use a shallow reservoir. Cover with a humidity dome or cup until roots and first leaves emerge.
2. Semi-hydro and self-watering pots. Place a layer of granules at the base of your net pot or self-watering planter. Settle the rooted plant in place and gently fill around the root ball with Volcanic Aqua Blend. Keep a water reservoir in the outer pot so the granules wick moisture upward.
3. Watering and feeding. Deep, dark granules mean full hydration. As the top layer turns lighter grey or brown, add water to the reservoir or top-water lightly. This substrate holds little nutrition on its own, so semi-hydro growers typically add a diluted hydroponic fertilizer once new roots and growth appear.
Available Sizes and Potting Coverage
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Small (1.0 oz / ~4x7 inch pouch): 2-3 small propagation cups or corm germinators
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Medium (4.4 oz): 2-3 standard 2 inch starter pots or multiple TC transitions
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Large (9.2 oz): one standard 4 inch nursery pot or self-watering setup
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XL (18.0 oz): one 5-6 inch planter or multiple repots
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Bulk / Gallon (48.0 oz): specimen setups, semi-hydro conversions, and larger batches
