FreshShield® Dual Release Sulphur Pad features a proprietary five-layer sandwich structure
• The fast-release phase disinfects the surface of blueberries by a quick release of high concentration of SO₂
• The slow-release phase maintains a continuous, low-level release of SO₂ over 30 days to inhibit spore germination
• The pad activates automatically when relative
humidity reaches 70% RH
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