{"product_id":"humidity-box-base","title":"Humidity Box — Base [ HUMIDITY STORM™ ]","description":"\u003cp\u003eThe HUMIDITY STORM™ humidity chamber sold standalone. \u003cstrong\u003eHumidity Box base\u003c\/strong\u003e is the same box included in the HUMIDITY STORM™ Basic Restoration Kit — designed for those who already have the pressing components and only need the box.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHUMIDITY STORM™ technique:\u003c\/strong\u003e\u003cbr\u003eWet the sponge pad, place it in the box. Saturates the chamber for 30–45 min to ≥80% RH. Insert the paper, keep 30 min – 2 hours turning over every 30 minutes. Extract and proceed immediately with pressing (press not included).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ The press is not included.\u003c\/strong\u003e Final pressing is mandatory after each cycle — without fixing the restoration regresses within hours. Combine with Round Press or Magnetic Press (sold separately).\u003c\/p\u003e\n\n\u003cp\u003eDo not exceed 85% RH — over-humidification raises the foil. Do not use on papers with already detached or delaminated foil.\u003c\/p\u003e","brand":"Spark \u0026 Polish®","offers":[{"title":"Default Title","offer_id":57800380580175,"sku":"SP-ACC-HB-BASE","price":24.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/3138\/1327\/files\/v1_ede9d008-f403-46ad-ab7a-d69086287994.png?v=1779978126","url":"https:\/\/checkout.sparkandpolish.com\/en\/products\/humidity-box-base","provider":"Spark \u0026 Polish","version":"1.0","type":"link"}