1. Remove debris that’s built up over the winter. Sludge left to build up will decay and become a source for algae to grow. Start removing debris as soon as the ice melts or you see your fish become more active. Use your pond net or hand to clean up the larger debris. This will help the cold weather bacteria do its job and start cleaning. Spring clean is a good cold water bacteria. No matter where you live or what climate you should be cleaning your pond of the larger debris as often as possible.
  2. Start running your filtration system. Put the nets and mats back in your skimmer box  as well as the biological media and mats in to your waterfall box.
  3. Re-install your pond pump or skimmer. Once the water temperature goes up to around 50 degrees, the pumps or skimmers will oxygenate the water and keep it circulating which will clear up the water. If you live in a warmer climate and have been running year round you should have an aerator installed to get even more oxygen into the water.
  4. Begin adding beneficial bacteria once the temperatures hit 50 or so, this will boost the biological filters, keep adding as needed throughout the summer.
  5. Start planting pond plants around the pond, once they begin growing after a few weeks begin fertilizing
  6. Change the water in the pond. Before the summer in the early spring it’s the perfect time to change the water. At least half the water can be changed at this time. If you plan to do more be sure to acclimate your fish back into the new water so they are not shocked by the change in temperature. Make sure if you’re adding tap water to treat with a dechlorinator
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