Apply pool flocculants: how often to use them?


As you can imagine, it is not recommended to use the pool while using chemical pool cleaners.

When you can jump back into the pool depends mainly on the size of the pool and thus also on the number of flocculants in the water.

If you have used a liquid agent, you should run the filter system for about 5 hours before jumping into the water. Ideally, you put all chemical remedies in the pool just before going to bed, so that they can be used the next day without any problems.

If, on the other hand, flocculation tablets or cartridges are used, you can also bathe during the process. The reason is that flocculation tablets dissolve very slowly, so it would not make sense to wait during the process. Weber s310 grill can help you in this.

Is flocculant toxic?

Since flocculants are a mixture of different chemicals, you should be very careful with them.

Since you handle it every day, you should (you can’t say it often enough) definitely buy a respirator, gloves, and safety glasses.

Depending on its composition, a flocculant can be toxic. If it were specifically inhaled in powder form, for example, this would certainly not be so good for the lungs.

If you use flocculants correctly and wait before it has been completely absorbed by the water, it is absolutely harmless.

For a better understanding: You always have to keep in mind that even a smaller pool contains several hundred or even thousands of litres of water. In this large “mass”, even several accidentally spilt beers would absolutely not stand out.

Can flocculants also be used for algae in the pool?

Algae in the pool provide in any case turbid water. However, flocculants alone do not get very far with a strong algae infestation.

Rather, in such a case, you either have to lend a hand yourself and remove the things or apply a strong algae repellent.

It is advisable to first remove the plant yourself, then use an algae repellent and add the flocculant to the water as a supplementary dose.

Thus, the coarse cause of the turbid water has been mechanically removed and the chemical agents provide the fine work.

Flocculants: Can you use it without a skimmer?

If you don’t have a skimmer, you can of course still use it. You can also put the stuff in the dosing float or even a flocculation cartridge.

As already mentioned above, in the case of flocculation granules, you can dissolve it in a bucket beforehand and then add everything to the pool water.

Which is better: liquid or solid flocculant?

If you process the water in the pool for the very first time, you should first use a liquid flocculant. Subsequently, it is recommended to use flocculation tablets or flock cartridges, because these continuously give flocculants into the water and you do not have to do it yourself daily.

How often should flocculants be used?

If there is a lot of activity in the pool, the daily use makes sense. After all, sunscreen, dead skin, and other unwanted small particles get into the water, which has to get out again.

Which manufacturers for flocculants are recommended?

If you are interested in liquid flocculant, you should target the manufacturer Bayrol. This also produces excellent flock cartridges. Also recommended are the companies Cristal, Höfer and Steinbach.

What flocculant alternatives are there?

If you do not have a flocculant at hand or it has come to an end and the shops are already closed, you can also fall back on alternatives.

Before there were flocculants, vitamin C or chlorine was used. Although vitamin C and/or chlorine can not bind the smallest parts in the water like flocculant. It is better to use these agents than nothing at all.


Especially after a winter break, you can reprocess the pool water with flocculants very well. During the pool high season in summer, the remedies are just as valuable, because they ensure continuously clear water. This looks inviting and literally enhances the entire pool.

Read more: Best water pump

By Mussarat Zafar

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