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34 The main aim of this study has been to determine the influence of pre-soaked recycled fine aggregate 35 (RFA) on the properties of masonry mortar. A control mortar and six mortar series were prepared in 36 which 25%, 50%, 75% and 100% natural aggregate (NA) was replaced with pre-soaked or non-pre-soaked 37 RFA. Total water content of the recycled mortars was equal to or greater than that of the control mortar. 38 The results show that pre-soaking slightly reduced the consistency of the mortar while improving bulk 39 density (in both the fresh and hardened state) and air content, particularly with total NA substitution; 40 compressive and flexural strength were increased with all RFA ratios. Therefore, the pre-soaking method 41 of masonry mortar manufacture can help reduce the absorption capacity of these aggregates and improv-42 ing recycling.