Find here the essentials and best sellers for our pond owners.
Find here the essentials and best sellers for our pond owners.
The water in your pond is not translucent, but you have trouble determining its color? To find out if the water in your pond is tinged green or brown, filter it using a coffee filter (and use solutions against green water ).
One of the first things to do will be to analyze your water using a pond analysis kit. We recommend the solution in drops which will be the most accurate, but the test strips will also allow you to be more efficient.
If your filter is completely green, then apply the solutions in this article to make it clear again. But first, let's take stock of green water in a pond. Is it dangerous for your ecosystem?
Green water is often caused by the growth of single-celled algae. This can be easily resolved by adding a suitable UV clarifier, bacteria, balanced water and aquatic plants.
In garden ponds, pools and natural swimming pools, the water tends to turn green due to excess suspended algae. This means that you will need to add aquatic plants, a filtration system adapted to your pond (with UV devices), and possibly solutions against green water .
However, not all algae are dangerous. One of the best known (and perhaps the most dangerous) is cyanobacteria, or blue-green algae.
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Cyanobacteria blooms are becoming more common in summer because watercourses are low due to drought. However, these bacteria are harmful to living beings in the basin and create an imbalance called bloom.
Blue-green algae tend to suffocate fish, shrimp and frogs in your pond, but they are also dangerous to dogs and humans.
On the contrary, the 7,000 species of so-called “ordinary” green algae of the chlorophyte family are harmless. They even constitute an invaluable source of food for insects, birds, fish, frogs, etc.
So, it is difficult to say whether or not green water is dangerous. To find out, we advise you to test the quality of your water. And whatever the result, know that it is essential to remove green water in a pond as soon as it appears. Here are some useful methods...
How to remove green water from my pond? How to clear the water in my garden pond? How to remove green water from a pond? To remove green water from your pond or pond, there are various solutions. Let's go through them together!
Using a pond clarifier is an extremely effective method to ensure clear water in your pond. How does it work? It's very simple: when exposed to the UV light emitted by the lamp, microscopic algae decompose. In this way, the pond clarifier prevents your water from becoming greenish.
On average, you will have to wait between 3 days and 3 weeks to get your water perfectly clear. But be careful: even if a clarifier gives your pool an aesthetic and clean appearance, it does not filter the water. It is therefore essential to add it upstream of your filtration system.
Good to know: to remove green water from your pool, choose a power of 3 Watts for 1 cubic meter of water.
Good filtration will allow the water in your pond to renew itself and maintain a suitable oxygen level. Thus, a suitable filtration system is an essential tool! It will prevent water stagnation and ensure the balance of your biotope.
To maintain filtered and oxygenated water, you will need a pump and filter combination. Both of these installations will need to be left on 24/7 to effectively combat phytoplankton and germs.
The most natural way to remove green water from your pond is to introduce aquatic plants to compete with the algae. That's because plants and algae feed on the same thing: nutrients.
Introducing aquatic plants (or adding to those you already have) will help to:
Yes, you read that right: you can use a vacuum cleaner to remove stringy algae and a rake for those that float on the surface of the water. First, rake the areas where the algae are clumped together, as they can clog the vacuum cleaner filter. Then, use the vacuum cleaner to remove the algae suspended in the water.
Our advice: handle your vacuum cleaner with care to avoid damaging your aquatic plants.
You may not know this, but pond barley straw is a great way to keep algae at bay. It won't remove algae if it's already there, but it will help to limit its growth. That's why it's a good idea to add it early in the year before algae starts to form.
When exposed to sunlight, barley straws release a chemical that stops the growth of algae. Finally, this method is very economical since it remains effective for 6 months.
Bonus: welcome algae-eating fish to your pond!
Consider combining several methods to remove green water from your pond!
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