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4” Circular Pond Airstone


  • 4″ (10cm) Four Inch Circular Sintered Airstone
  • High Output
  • Long Lasting Design

2 in stock

  • Free ShippingWhen you spend over $49
  • TrackingKnow when your package will arrive
  • 30 Day ReturnsMoney back guarantee
  • Same Day DispatchWhen you order before 2pm

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About Pondh2o basket shop


4 Inch Circular Pond Airstone,  high output 50mm/4inch cylindrical airstone. Aeration of a fish or Koi pond is one of the key factors on its well being of the fish within the pond. Without adequate levels of oxygen the fish will become stressed and sit on the surface of the pond to be nearer to the slightly better oxygen levels or try to gulp air from the atmosphere in desperation. PondH2o’s 4 Inch Circular Pond Airstone promotes a healthy aeration system.

When dissolved oxygen (DO) becomes low the pond may not be able to sustain life and oxygen breathing friendly aerobic bacteria which decompose organic matter may not be effective. Fish kill and poor water quality are the usual outcome when this happens. Adding waterfalls or pond spitters will help increase oxygen rich water to the pond but the best long term solution is to add aeration.

Pondh2o sell a massive range of sizes and outputs of air stones, all with industry standard fittings. Too many plants in a pond can also have a negative effect to pond oxygen levels, During the day plants emit oxygen into the pond buy at night emit carbon dioxide into the pond thus making the situation even more dire if pond as a heavy fish load and atmospheric condition are not in favor of a good pond oxygen level.

Visit PondH2o’s information center to read more on choosing the correct location for your water garden koi fish pond by clicking HERE.    As always, remember to check our Facebook page for coupons and news.

Additional information

Weight 0.3 lbs
Dimensions 4 × 4 × 4 in



PondH2o search the globe for Koi Fish Pond & Water Garden products looking for original items to bring to the pond and water garden consumer in North America. Everything from Pond Pumps, floating plant baskets, mesh plastic baskets, Flexible Pond Liners to pond filters, decoys, solar powered Fountains  and pond decor. Check PondH2o's extensive inventory to see for yourself...
About Pondh2o basket shop


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