You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.

You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.

Beneficial Bacteria are the ‘biological’ component of a biological filter. It is these bacteria that make your water safe for your fish; by breaking down the toxic ammonia they produce into harmless nitrates