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"name": "地の塩社 アルカリウォッシュ 3kg セスキ炭酸ソーダ", "price": 1935, "qty": 3.0, "unit": "kg", "per_unit_price": 645.0, "evidence": "3kg", "reviews": 7, "stars": 4.86, "shop": "にっぽん津々浦々", "url": "https://store.shopping.yahoo.co.jp/tsutsu-uraura/chinoshio-a3000.html", "image": "https://item-shopping.c.yimg.jp/i/g/tsutsu-uraura_chinoshio-a3000"}, {"rank": 31, "name": "セスキ炭酸ソーダ ( 1kg )", "price": 673, "qty": 1.0, "unit": "kg", "per_unit_price": 673.0, "evidence": "1kg", "reviews": 72, "stars": 4.32, "shop": "爽快ドラッグ", "url": "https://store.shopping.yahoo.co.jp/soukai/4961161600095.html", "image": "https://item-shopping.c.yimg.jp/i/g/soukai_4961161600095"}, {"rank": 32, "name": "セスキ炭酸ソーダ 大 1kg", "price": 680, "qty": 1.0, "unit": "kg", "per_unit_price": 680.0, "evidence": "1kg", "reviews": 222, "stars": 4.68, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/9827125/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_9827125"}, {"rank": 33, "name": "セスキ炭酸ソーダ 950ｇ 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"https://item-shopping.c.yimg.jp/i/g/nichiga_sesuki"}, {"rank": 36, "name": "レック セスキの激落ちくん 本体 400ml", "price": 317, "qty": 0.4, "unit": "L", "per_unit_price": 792.5, "evidence": "400ml", "reviews": 9, "stars": 4.56, "shop": "サンドラッグe-shop", "url": "https://store.shopping.yahoo.co.jp/sundrugec/4903320045125.html", "image": "https://item-shopping.c.yimg.jp/i/g/sundrugec_4903320045125"}, {"rank": 37, "name": "地の塩社 アルカリウォッシュ 1kg ×2セット [ ちのしお セスキ炭酸ソーダ ] +lt7+", "price": 1601, "qty": 2.0, "unit": "kg", "per_unit_price": 800.5, "evidence": "1kg x2セット", "reviews": 5, "stars": 4.8, "shop": "くもくもスクエア", "url": "https://store.shopping.yahoo.co.jp/kumokumo-square/4982757811114-tset002.html", "image": "https://item-shopping.c.yimg.jp/i/g/kumokumo-square_4982757811114-tset002"}, {"rank": 38, "name": "アルカリウォッシュ1kg セスキ炭酸ソーダ", "price": 830, "qty": 1.0, "unit": "kg", "per_unit_price": 830.0, "evidence": "1kg", "reviews": 37, "stars": 4.59, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/8523018/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_8523018"}, {"rank": 39, "name": "(あわせ買い2999円以上で送料無料)第一石鹸 ランドリークラブ セスキ炭酸ソーダ洗濯用 600g", "price": 515, "qty": 0.6, "unit": "kg", "per_unit_price": 858.333, "evidence": "600g", "reviews": 8, "stars": 4.5, "shop": "ケンコーライフ ヤフー店", "url": "https://store.shopping.yahoo.co.jp/kenkoo-life/101-11116.html", "image": "https://item-shopping.c.yimg.jp/i/g/kenkoo-life_101-11116"}, {"rank": 40, "name": "セスキの激落ちくん 詰め替え用 360ml 2個 レック", "price": 628, "qty": 0.72, "unit": "L", "per_unit_price": 872.222, "evidence": "360ml 2個", "reviews": 51, "stars": 4.73, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/e683412/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_e683412"}, {"rank": 41, "name": "セスキ炭酸ソーダ 1Kg アルカリ洗浄剤 キッチン用 スプレー 送料無料", "price": 890, "qty": 1.0, "unit": "kg", "per_unit_price": 890.0, "evidence": "1Kg", "reviews": 8, "stars": 4.38, "shop": "ナチュラルショップ マニン", "url": "https://store.shopping.yahoo.co.jp/ns-manin/0055.html", "image": "https://item-shopping.c.yimg.jp/i/g/ns-manin_0055"}, {"rank": 42, "name": "(あわせ買い1999円以上で送料お得)第一石鹸 ランドリークラブ セスキ炭酸ソーダ洗濯用 600g", "price": 538, "qty": 0.6, "unit": "kg", "per_unit_price": 896.667, "evidence": "600g", "reviews": 5, "stars": 4.6, "shop": "ホームライフ ヤフー店", "url": "https://store.shopping.yahoo.co.jp/home-life/101-11116.html", "image": "https://item-shopping.c.yimg.jp/i/g/home-life_101-11116"}, {"rank": 43, "name": "洗濯用セスキプラス 600g  6個 無添加 洗濯 洗剤 敏感肌 界面活性剤不使用 部屋干し 消臭", "price": 3276, "qty": 3.6, "unit": "kg", "per_unit_price": 910.0, "evidence": "600g  6個", "reviews": 19, "stars": 4.79, "shop": "自然派クリーナーと消臭の丹羽久", "url": "https://store.shopping.yahoo.co.jp/niwakyu/001-sentakusesuki-6.html", "image": "https://item-shopping.c.yimg.jp/i/g/niwakyu_001-sentakusesuki-6"}, {"rank": 44, "name": "リアルメイト　セスキ炭酸ソーダ＋電解水クリーナー　４００ＭＬ　（キッチン用液体洗浄剤）重曹の10倍+アルカリイオンのWパワーで汚れを落と", "price": 373, "qty": 0.4, "unit": "L", "per_unit_price": 932.5, "evidence": "400ML", "reviews": 7, "stars": 4.29, "shop": "日用品・生活雑貨の店 カットコ", "url": "https://store.shopping.yahoo.co.jp/atlife/101-05530.html", "image": "https://item-shopping.c.yimg.jp/i/g/atlife_101-05530"}, {"rank": 45, "name": "激落ちくん セスキ密着泡スプレー 詰替 360ml レック", "price": 361, "qty": 0.36, "unit": "L", "per_unit_price": 1002.778, "evidence": "360ml", "reviews": 8, "stars": 4.63, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/x873290/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_x873290"}, {"rank": 46, "name": "アルカリウォッシュ 500g セスキ炭酸ソーダ", "price": 504, "qty": 0.5, "unit": "kg", "per_unit_price": 1008.0, "evidence": "500g", "reviews": 31, "stars": 4.65, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/8523027/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_8523027"}, {"rank": 47, "name": "セスキ 激落ちくん 油 汚れ クリーナー 洗剤 キッチン 泡 スプレー 詰替 360ml 水の激落ちくん レック lec", "price": 363, "qty": 0.36, "unit": "L", "per_unit_price": 1008.333, "evidence": "360ml", "reviews": 8, "stars": 4.75, "shop": "レックダイレクト", "url": "https://store.shopping.yahoo.co.jp/lecdirect/4903320047785.html", "image": "https://item-shopping.c.yimg.jp/i/g/lecdirect_4903320047785"}, {"rank": 48, "name": "レック セスキの激落ちくん 詰め替え 360ml×3個セット (洗浄・除菌・消臭) アルカリ電解水 安心 安全 2度拭き不要 詰め替え用", "price": 1105, "qty": 1.08, "unit": "L", "per_unit_price": 1023.148, "evidence": "360mlx3個", "reviews": 5, "stars": 4.6, "shop": "葉月Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/hatuki/hak0040537.html", "image": "https://item-shopping.c.yimg.jp/i/g/hatuki_hak0040537"}, {"rank": 49, "name": "セスキ炭酸配合 クリームクレンザー ホワイト レモンの香り 400g 1セット（1個×3） ミツエイ", "price": 441, "qty": 0.4, "unit": "kg", "per_unit_price": 1102.5, "evidence": "400g 1セット", "reviews": 9, "stars": 4.33, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/e662597/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_e662597"}, {"rank": 50, "name": "セスキの激落ちくん 本体 400ml レック", "price": 442, "qty": 0.4, "unit": "L", "per_unit_price": 1105.0, "evidence": "400ml", "reviews": 34, "stars": 4.5, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/e634161/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_e634161"}, {"rank": 51, "name": "セスキの激落ちくん 詰め替え用 360ml 1個 レック", "price": 424, "qty": 0.36, "unit": "L", "per_unit_price": 1177.778, "evidence": "360ml 1個", "reviews": 17, "stars": 4.82, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/e683226/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_e683226"}, {"rank": 52, "name": "niwaQ 洗濯補助用セスキ炭酸ソーダ 600g 1個 丹羽久", "price": 730, "qty": 0.6, "unit": "kg", "per_unit_price": 1216.667, "evidence": "600g 1個", "reviews": 14, "stars": 4.43, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/j862560/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_j862560"}, {"rank": 53, "name": "セスキ炭酸ソーダ 大 1kg 1セット（2個）", "price": 1322, "qty": 1.0, "unit": "kg", "per_unit_price": 1322.0, "evidence": "1kg 1セット", "reviews": 16, "stars": 4.63, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/pa85448/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_pa85448"}, {"rank": 54, "name": "激落ちくん セスキ密着泡スプレー 本体 400ml レック", "price": 545, "qty": 0.4, "unit": "L", "per_unit_price": 1362.5, "evidence": "400ml", "reviews": 13, "stars": 4.62, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/x873289/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_x873289"}, {"rank": 55, "name": "激落ちくん セスキ 泡 スプレー 詰め替え 360ml 掃除 レック", "price": 498, "qty": 0.36, "unit": "L", "per_unit_price": 1383.333, "evidence": "360ml", "reviews": 10, "stars": 4.4, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/2438288/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_2438288"}, {"rank": 56, "name": "セスキプラス　洗濯用洗剤　無香料　詰替　1000ｇ（石けん百貨）", "price": 1540, "qty": 1.0, "unit": "kg", "per_unit_price": 1540.0, "evidence": "1000g", "reviews": 6, "stars": 4.67, "shop": "株式会社 ジャパンフーズ", "url": "https://store.shopping.yahoo.co.jp/jf-foods/2727.html", "image": "https://item-shopping.c.yimg.jp/i/g/jf-foods_2727"}, {"rank": 57, "name": "セスキ 激落ちくん 油 汚れ クリーナー 洗剤 キッチン 泡 スプレー 360ml 水の激落ちくん レック lec", "price": 572, "qty": 0.36, "unit": "L", "per_unit_price": 1588.889, "evidence": "360ml", "reviews": 5, "stars": 4.6, "shop": "レックダイレクト", "url": "https://store.shopping.yahoo.co.jp/lecdirect/4903320047778.html", "image": "https://item-shopping.c.yimg.jp/i/g/lecdirect_4903320047778"}, {"rank": 58, "name": "激落ちくん セスキ 泡 スプレー 掃除 400ml レック (C00134)", "price": 698, "qty": 0.4, "unit": "L", "per_unit_price": 1745.0, "evidence": "400ml", "reviews": 8, "stars": 4.0, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/2438279/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_2438279"}, {"rank": 59, "name": "レック 【 激落ちくん 】 セスキ スプレー 400mL / セスキ炭酸ソーダ+アルカリ電解水配合 アルカリの力で油汚れを落とす 本体", "price": 774, "qty": 0.4, "unit": "L", "per_unit_price": 1935.0, "evidence": "400mL", "reviews": 5, "stars": 5.0, "shop": "葉月Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/hatuki/hak0040511.html", "image": "https://item-shopping.c.yimg.jp/i/g/hatuki_hak0040511"}, {"rank": 60, "name": "激落ちくん セスキ密着泡スプレー 詰替 360ml 1セット（2個） レック", "price": 708, "qty": 0.36, "unit": "L", "per_unit_price": 1966.667, "evidence": "360ml 1セット", "reviews": 9, "stars": 4.78, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/x873291/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_x873291"}]}, "main_unit": {"unit": "kg", "unit_label": "1kg", "median": 666.33, "low": 332.5, "n": 73}, "answer": "2026-09-19、セスキ炭酸ソーダがいちばん安いのは1kgあたり332円（楽天市場・セスキ炭酸ソーダ 24kg 【送料無料！(北海道・九州・沖縄・7,980円で24kg）。ふつうは1kgあたり673円です。"}