FIELD: household chemical goods. SUBSTANCE: tablets contain compressed sodium polyphosphatebased particles containing 70 to 100 wt %, preferably 80 to 98 wt %, of phase I relative to alcohol water-free sodium polyphosphate phases and optionally detergent additives and water regularly distributed in said sodium polyphosphate in amounts 7 to 16% of its weight, on condition that at least 50, preferably 70-90% of water is present as crystallized water. Preparation of tablets is also described. EFFECT: facilitated disintegration and accelerated their dissolution with no loss in their strength. 15 cl, 2 tbl, 10 ex
