A base coat primer helps to seal the surface in a pond and create a smooth, uniform base for subsequent coatings. This can improve the adhesion and durability of the pond coating and help prevent leaks or other damage over time.
The frequency of pond water replenishment can depend on various factors, such as the size of the pond, the number of fish and plants, and the local climate. As a general guideline, it is recommended to perform partial water changes of 10-20% every 1-2 weeks, depending on the pond conditions.
To clear a pond of excessive growth of algae, measures can include manually removing visible algae, adding beneficial bacteria to the water, using UV clarifiers, and adjusting the nutrient balance in the pond through proper filtration, feeding, and plant management.
An ideal nutrient balance for a home garden pond involves maintaining proper levels of beneficial nutrients like nitrogen and phosphorus while minimizing the presence of excess nutrients that can promote the growth of harmful algae and other organisms. Regular water testing and proper filtration can help achieve this balance.