Bacta-Pur® XLG-KIT (14L), provided in bag-in-box (BiB) packaging, having two separate bags, is used only for operation of new series 4 of BACTIVATOR®Ⓓ LS. One bag includes Bacta Pur® XLG, the beneficial ECOPROBIOTICS® culture and second contains Bacta-Pur® ACTIVATOR GS, the ECOPREBIOTICS™ (nutrients) developed to maximize bacteria number and production of enzymes for efficient digestion of grease and sludge. Bacta-Pur® XLG & Bacta-Pur® ACTIVATOR GS are provided in correct ratio within bag-in box packaging format; no mixing required. The KIT has connectors for quick connection to the BACTIVATOR®Ⓓ. The bags, connectors and cartons are all fully recyclable, making this an environmentally friendly package.