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BACKGROUND: Based on the results of laboratory examinations, initial samples taken from one of the clean water sources (dug wells) in Biringere Village, North Sinjai District, results showed that the water sample contained high enough metal ions such as Fe, Mn, hardness, and organic substances which did not meet the requirements as clean water because it still contained levels of Manganese (Mn) 1.68 mg/l. Meanwhile, for organic substances (KMnO4), it is 9876 mg/l. AIM: The purpose of the research was to determine the effectiveness of multimedia filters in improving quality of clean water from the parameters of Mn and KMnO4 in clean water sources (dug wells).. METHODS: The type of research conducted is quasi-experimental by made a filtering processing method with a “Up Flow” flow system, using media consisting of silica sand, zeolite, resin (pine resin), and active carbon in PVC tubes. The population in this study were all dug wells in North Sinjai district. The samples were dug wells located on Biringere Village, North Sinjai District. The samples examined in Center for Environmental Health and disease control of Makassar. RESULTS: The results obtained were that there was a significant change in manganese (Mn) levels of 0.49 mg/l (80.37%). Meanwhile, organic substances (MnO4) amounted to 17.38 mg/l (70.02%). CONCLUSION: Decreasing levels of manganese (Mn) in well water after going through the multimedia filter process above show that the manganese content has met the standard requirements of the Minister of Health Regulation No. 32 of 2017.

BACKGROUND: The conducive factor of stunting is the deficiency in nutrient intake due to the lack of quantity and quality of food consumed by the children. Children’s food consumption is strongly influenced by the mother’s nutritional knowledge and children’s feeding practices. AIM: The aims of this study were to determine the effect of providing local snacks in South Sulawesi with a substitute of snakehead fish flour (Tibus) and virtual nutrition counseling on the growth of stunting children. METHODS: The design of this study used a randomized pretest-posttest control design. The sample was divided in two groups using systematic random sampling. The first group was given local Tibus snacks and nutritional counseling virtually and the second group was only given virtual nutrition counseling. The intervention was carried out every day until 1 month. The sample of this research was mothers who have stunting children under five of age. RESULTS: Nutrition knowledge of mothers in group one increased significantly before and after intervention (63.78 ± 1.68 vs. 73.70 ±1.35 points), but this was not the case in group two. The increase in maternal nutritional knowledge was higher in group one than in group two, although it was not significant (p = 0.91). The comparison of the weight gain of children in group one versus group two was 0.37 ± 0.49 kg versus 0.07 ± 0.39 kg (p = 0.021). The increase in the height of the children in group one before and after was 84.15 ± 7.79 cm versus 85.97 ± 7.95 cm (p = 0.000). The ratio of the increase in the height of the children in group one and group two was 1.82 ± 0.94 cm versus 1.53 ± 0.68 cm (p = 0.402). CONCLUSIONS: Nutrition counseling virtual can increase nutrition knowledge. The providing of local snacks (Tibus) accompanied by virtual nutrition counseling can increase growth in body length and weight of stunting children. The efforts to accelerate prevention stunting in children under five can be done with utilization of local snacks.