Lechuza Pon Substrate - 30 Litres

Total Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.

Nitrate Nitrogen provides a stable, easy-to-absorb form of nitrogen that supports steady growth, strong foliage, and reliable plant development without sudden nutrient swings.

Ammoniacal Nitrogen (N) is a plant-available form of ammonium (NH₄⁺) that provides a steady, gentle source of nitrogen for healthy green growth. Unlike fast-release nitrogen types, ammoniacal nitrogen feeds plants slowly, helps stabilize root-zone pH, and works well in cooler temperatures. It is commonly used during early vegetative growth because it supports strong leaf development without burning young roots. If plants show pale leaves, slow growth, or weak stems, they may need more available ammoniacal nitrogen.

P2O5 is important because it tells you how much phosphorus is available in a feeding program, and phosphorus drives root development, energy transfer, and flowering performance—making it uniquely different from many other nutrients because it’s commonly listed as a standardized “oxide equivalent” value rather than as the nutrient form plants directly absorb.

Potassium oxide (K2O) is important because it shows how much potassium is available to support water control, sugar movement, and strong plant structure, which directly impacts growth quality and stress tolerance. It’s unique because K2O is mainly a label standard for potassium content, not a separate nutrient form the plant absorbs, so understanding it helps you avoid mixing up label numbers with real potassium needs.

Pumice is often better when you want long-lasting aeration without the amendment floating and shifting, because it tends to stay mixed through the pot and keeps stable pore space over time. Its unique value is improving root oxygen while still holding a thin moisture film, which makes it different from many other “lightening” ingredients that either drain too fast or move around in the container.

Lava rock improves root-zone airflow and long-term structure, helping roots access oxygen while moisture drains in a more controlled way. It’s unique because it stays hard and stable instead of breaking down, so the drainage and aeration benefits remain consistent over time compared with amendments that mainly hold water or collapse as the mix settles.

Zeolite helps the root zone hold onto water and key nutrients so they stay available longer instead of washing away. It’s important because it stabilizes feeding and moisture between waterings, and it’s unique because it mainly buffers and releases nutrients over time rather than directly “feeding” the plant like a nutrient source.

Slow release fertilizer is unique because it feeds plants gradually over time instead of delivering most nutrients all at once. This steady supply can support more consistent growth and reduce nutrient swings, but it also means corrections happen slower, so the rate and conditions matter more than with faster-feeding options.