{"product_id":"flux-brush","title":"Flux \u0026 Brush","description":"\u003cp\u003eFlux is needed to solder seams. I use various fluxes, but for the Apprentibox boxes, it is an Acro flux, which can be diluted before use. \u003c\/p\u003e\n\u003cp\u003eThis 4oz bottle comes half-filled with Acro flux so you can add water. It is normal for it to warm up when you add water, but that only happens once. You will also receive a brush. \u003c\/p\u003e\n\u003cp\u003eThis comes in all Apprentibox boxes, but if you need more, this will be helpful!\u003c\/p\u003e","brand":"House Copper \u0026 Cookware","offers":[{"title":"Default Title","offer_id":51450652885238,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7065\/2918\/files\/Screenshot_2026-08-09_at_6.23.17_PM.png?v=1786319532","url":"https:\/\/house-copper-cookware.myshopify.com\/products\/flux-brush","provider":"House Copper \u0026 Cookware","version":"1.0","type":"link"}