5 Tricks to Prevent Green Pond Water
17 August 2018 03:16
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How to Prevent Green Pond Water
Pond Water or Pea Soup?
When you first dreamed up the idea of having the perfect pond, the last thing you would have imagined is for it to resemble something like pea soup! Unfortunately, that’s the reality for many pond keepers. Green pond water is a common and recurring problem that not only affects the appearance of ponds but the quality of the water they contain.
The good news is we’re here to share are a few tricks that pond keepers can use to reduce and prevent the chances of getting green water!
1. Keep a Good Amount of Fish
Anyone can appreciate that fish are a stunning pet and feature to have in a garden pond, but those of you who are overstocked with the amount you keep are destined for disaster! More fish in the pond means more natural biological processes, producing faecal waste that forms the nutrients required for green water to occur.
Research the amount of fish suitable for the volume of water in your pond. By keeping a decent amount of fish for the size of the pond, you prevent an overload of waste and reduce the nutrients available to trigger the growth of green water algae.
2. Don’t Overfeed Your Fish
Similar to overstocking fish, if you have a decent amount of stock but have a habit of overfeeding them, you’re also likely to introduce an excessive amount of waste into your pond. Not only from the natural biological processes of fish but from the food that isn’t consumed. Leftover fish food decomposes in the pond and turns into waste that also fuels the growth of green water. If you notice that your fish aren’t eating all the food you give them, reduce the amount and feed them enough to make sure there’s nothing left behind.
3. Provide Some Degree of Shade
Green water causing algae are plants, and like any other plant, they love sunshine, which through photosynthesis helps them grow! This is bad news for any pond that isn’t sheltered from the sun. Sometimes building a pond with shade isn’t ideal, but there are still ways of providing some degree of it. Aquatic plants such as water lilies which float on the surface are a great method. They provide partial shade to reduce sunlight exposure not only to algae but for fish such as Koi, which can be sensitive to sunburn.
4. Use Beneficial Bacteria
As mentioned before, green water is caused by single-celled plant organisms called algae. This organism typically occurs when there is an imbalance (high amount) of nitrates and phosphate levels in pond water providing algae with the nutrients to grow and in perfect conditions, thrive! These nutrients are elevated via some of the points mentioned above, however, can be eliminated with the use of a beneficial bacteria treatment, such as Pond Klear.
Pond Klear works by binding together and consuming the green algae particles, along with all the fish waste, dead leaves and organic matter that form the algae’s source of food. Pond Klear, therefore, prevents green water algae from growing.
5. Keep the Pond Aerated
Aeration devices are a useful way to increase the amount of oxygen in your pond that helps beneficial bacteria to break down and eliminate green water algae. By increasing oxygen levels, they also promote the reduction of carbon dioxide, so the algae have less food and grow at a slower rate. Great aeration device choices are water features such as waterfalls, fountains or even pump and filters.
You know the saying… “Prevention is easier than…”
We hope you have found these 5 tips helpful. Greenwater is an unsightly nightmare and preventing it is a much more straightforward and less time-consuming task that getting rid of it.
If you’re an experienced pond keeper, then you probably noticed that there was no mention of UV filters or better understood as UV clarifiers. That’s because there are several things you should consider before relying on pond UV filters to prevent green water.
To find out more, take a look at our Essential Guide to Pond UV Lights.