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Home / All / About HOKBG Grow Bags / What are the white deposits on the outside of HOKBG planting bags after use?
What are the white deposits on the outside of HOKBG planting bags after use?
That's mineral salt buildup — and it's a good sign!
As water and fertilizer pass through the breathable bag fabric, dissolved salts (calcium, magnesium, etc.) are left behind when moisture evaporates. This means your HOKBG Grow bag is working properly — draining excess water and carrying salts away from the root zone, preventing salt stress on your plants.
In traditional plastic pots, these salts stay trapped in the soil, harming roots. With HOKBG, they're drawn outward, keeping roots healthy.
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