
Solution: Beneficial bacteria – as well as your fish – rely on oxygen to survive. Instead, lightly rinse the pads if the water is unable to pass through the filter. Cleaning your filter pads too much – meaning daily or weekly – can wash away your beneficial bacteria. Beneficial bacteria cultivate on surfaces, such as your filter pads. When there are little to no nutrients to feed the algae in a fish pond, it will eventually die off. Solution: Beneficial bacteria, like those found in theĭefensePAC, are microorganisms that consume excess nutrients and debris and convert them into a harmless gas. Filters are rated based on the pond size, but for water gardens with high fish loads, a larger filter may be needed. Pond filter, debris is removed and collected in the filter box or skimmer. Solution: Mechanical filtration helps to remove the excess nutrients from the water column. Problem: Not Enough Mechanical Filtration In the fall, we do not recommend giving your water garden a deep clean unless it really needs it. Throughout the season, use a pond vacuum to help keep it tidy. Spring pond care guide will help you through the process step by step. Cleaning your pond in the spring is a great step toward preventing algae blooms in ponds. Solution: Leaves, fish waste, and other organic material accumulate in a pond. A simple rule of thumb it to allow 1-2 koi or 2-3 goldfish per 200 gallons of water. Not only will your fish have tight living conditions, but your filter system may not be large enough to handle the waste being produced. Overcrowding can easily happen as your fish grow through the years and reproduce. They are a great addition to any pond, but if your water garden is brimming with fish, it may be time to relocate some of them. Solution: As it turns out, one of the primary causes of algae in fish ponds are the fish. Identifying the underlying problems that are causing the algae bloom in a pond and working towards solutions are key to achieving a clean and balanced pond that will keep your neighbors green with envy. When too many nutrients caused by decomposing plant material, fish waste, or other debris build-ups in your water garden, algae will flourish because the nutrients act as a fertilizer. But what causes algae in ponds?Īlgae is a result of an imbalance in your pond's ecosystem. Green water and string algae are a common problem for many pond hobbyists.

"Why is my pond green?" It's a question we hear a lot from pond owners, and the answer is algae.
