If the KH value of the pond is too low, this can also affect the pH value and lead to disease in fish and algal growth. The optimum KH value of the pond is between 5o and 10o and this promotes plant growth.

If the KH value of the pond is too low, this can also affect the pH value and lead to disease in fish and algal growth. The optimum KH value of the pond is between 5o and 10o and this promotes plant growth.