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Seasonal Pond Maintenance Checklist

Drs. Foster & Smith Educational Staff
Pond Predator Control 
What's the White Foam in my Pond? 
Seasonal Pond Maintenance Checklist 
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Easy Maintenance Guide

Feed easy-to-digest Wheat Germ food in the spring spring
Bringing your pond back to life

Check your pond filter and pump and prepare for summer. Once spring arrives and water temperatures are above 45°F, you will want to get your filtration system started.

  • Reassemble the filtration system and start it up. Check for leaks and proper flow rate.

  • Jump start your biological filtration with bacterial additives to replace those lost over the winter.

  • Measure water parameters and monitor the development of nitrifying bacteria in your biological filtration system with a good test kit.

  • Have a pond aerator handy to promote proper gas exchange. Unseasonably warm spring days can encourage abrupt nitrifying bacterial activity that can rapidly deplete dissolved oxygen levels in your pond.

    Combat spring green! Place barley straw in a container of moving water inside your home, 6 weeks ahead of time so it will be primed when you are ready to open your pond.
  • Get your UV sterilizer system up and running to keep your water crystal clear throughout the spring and summer season.

  • Get those green thumbs wet. Early spring is the best time to repot pond plants. Add fertilizer to water lilies to give them a good start.

  • Start feeding pond fish easier-to-digest, wheat germ food when water temperature stays consistently above 50°F.
Simplify algae control Simplify algae control and enjoy your outdoor space

Keep in mind that increased sunlight, higher organic levels, and rising water temperature create ideal conditions for aggressive algae growth.

Preparations for over-wintering success Preparations for over-wintering success

Make fall/winter pond maintenance simple and efficient. Prevent pond conditions from deteriorating to the point where aggressive measures are necessary. Keep essential items and equipment on hand to ensure over-wintering success.

Over-wintering success and preparing for spring Over-wintering success and preparing for spring

In regions that experience prolonged freezing winters, harmful gases trapped under the ice can accumulate to create toxic conditions for fish.

  • Provide an opening in the ice for proper gas exchange and make sure it stays open.

  • If you see fish at the surface while the pond is still frozen, ACT FAST! Add an aerator or water pump near the surface, or do a water change. Your fish can die quickly.

  • Never try to physically break the ice to create an opening. Instead, melt a hole in the ice.
    Keep a hole in the ice without putting a hole in your wallet. Thermo-Pond De-Icer works down to 30°F below zero and only uses 100 watts of energy!

  • Place aerators or other devices close to the water surface to prevent ice formation.

  • Prevent snow from piling too high on the frozen pond surface so you can safely find and maintain de-icing equipment. Keep them from being covered during heavy snowfall.

  • Plan for any renovations or improvements for the coming spring. Consider installing a new water fountain, additional lighting for your pond, or design a new planting scheme for your pond.


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