Airflow & Drainage Substrate Set

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Airflow & Drainage Substrate Set – structure ingredients for dense houseplant soilAirflow & Drainage Substrate Set is a practical correction set for soil that needs more air moveme nt and less compaction. The materials keep their roles separate: perlite lightens, bark opens the organic fraction and lava rock keeps the blend physically stable.What to expect Perlite: brings light pore space through fine soil Pine bark: creates coarse organic gaps around thicker roots Lava Rock Granules: supply durable mineral texture and useful pot weight Mix-through use: works inside the substrate, not below it Mixing guideA useful starting point is two parts perlite, two parts pine bark and one part Lava Rock Granules, then one part of that structure blend to three or four parts existing potting mix. Increase slowly for large pots or thick-rooted plants.Where it fits bestA coarse layer at the base does not repair a dense soil sitting above it. The useful change happens when the ingredients sit throughout the root zone and change how water and air move after every watering.Using it day to dayThis set is meant to make mixing easier. Use it as a full recipe or as a starting point you can adjust with extra mineral or organic components.If you repot multiple plants, mix small batches first so you can tune the texture and drying rate to each pot and root system.Extra notes Pre-moisten dry components for a more even blend. Keep leftovers sealed and dry between uses. Match chunk size to pot size: smaller pots need finer structure. Show more