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Your Spring Pond Clean-Up Check List


Once the snow has disappeared, the ice melted in your pond, and the temperatures have been consistently above 40°F for a week or more, it’s time to open up your pond for the spring.  Below are 12 steps to lead you through the clean-up process.


1.      Rake up and dispose of leaves in the pond area and remove the pond netting used to prevent the leaves from entering the pond.

2.      Use a skimmer net, pond vacuum & Eco-Blast to remove any debris from the pond. 

  •       Clean up your water plants, cutting back dead debris and bringing pots that were placed in deeper levels to over winter to their proper location.  If water plants are overgrown, spring is an excellent time to divide and repot, with the exception of early blooming plants such as Iris’s. 

4.      Reconnect your pump and filter.  If the filter or skimmer pads were not cleaned in the fall, they should be rinsed off prior to restarting your pump. Do Not over clean your filter pads or use any form of soap, or bleach on the pads. If pads are badly worn or torn they should be replaced.

  • If your pond has minimal debris and sludge build-up, perform a 25% water change.  Note, before adding new water, be sure to add dechlorinator/heavy metal remover.  If your pond still has significant sludge and debris (1”or more) after the initial skimming and vacuuming, you may need to perform a complete water change.
  • Test your water quality using an at home test kit.  The Ammonia and Nitrites should read zero.  If higher than zero, an additional 25% water change should be done until the levels are brought down.  The pH should be between 6.5 & 8.5. If the pH is outside the range add a pH adjuster and “pH Buffer”. If you have fish in your pond, the salinity should be between .1% and .25%.  To achieve a .1% salinity add 1 pound of pond salt per hundred gallons of water in your pond.
  • Add start-up bacteria to break-down remaining sludge (Microbe-Lift Spring/Summer) and re-colonize healthy bacteria (Bio-Filter Booster) in your pond; and barley to prevent the growth of new string algae (Liquid barley to jump start and 1 bale per 100 gallons)
  • If you have a UV light to prevent green water algae and kill parasites/pathogens, replace the bulb.  However, do not turn on the light until 2 weeks after you have added the start-up bacteria.
  • Prepare for the return of the Heron by placing fishing line around the edge of your pond, netting the pond or installing a motion detective devise to scare away predators.
  • You can begin feeding your fish when water temperatures reach 50°F or higher.  Use a pond thermometer to test the waters temperature.  From 50 to 65°F, feed your fish once a week and at 65°F and above, feed the fish every other day.  In the spring Koi and Goldfish should be fed fish food that contains wheat germ and vitamin C to support the fishes immune system. 
  • Once the water temperatures are consistently 65°F or higher, a sludge-eating bacteria should be added consistently throughout the year to breakdown sludge and debris.
  • Enjoy the beauty and tranquility your pond brings you each day!


Pond Place of Michigan LLC.

3505 W. Highland Rd. (M-59), Milford, Mi 48380   248-889-8400


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