The minimum pH recorded was around 6.25 for C1 and 6.41 for C2 on Day 2 decreasing from the initial values from 6.85 for C1 and 6.98 for C2. According to Figure 2,the initial pH values for both treatments tended to decrease in the first week and gradually increased and reached the highest peak, which was 8.16 on day 15 for compost C1 and 7.90 on day 30 for compost C2