Hydrocorn is the best clay pebble you can buy, it carries the RHP for horticulture quality certificate.
These irregular shaped 8-16mm clay pebbles are cleaner than most and their shape allows for a larger surface area for roots to hold onto and for beneficial bacteria to live. these pebbles provide a better air to water ratio than their rounder counterparts.
Ideal for use alone or mixed with coco as a flood and drain media!
Add drainage to any soil, coco or hydro media!
Line bottom of pots for better drainage/run-off!
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