If your pool water is green despite a suitable sand filter system, there can be various reasons. Find out here what you should do so that you can swim without worries again and how you can avoid severe algae infestation in the future.
Sand filter system does not filter algae properly – what can I do?
First you should measure the currentpH value and adjust it with a suitable pH granulate. The ideal pH value for pool water is between 7.0 and 7.4. You should then clean the filter system thoroughly, backwash it intensively and let it run for at least 48 hours.
Why doesn't my sand filter system filter the algae?
The following reasons may come into question:
- The algae contamination in the water is too high: Clean the pool and the filter system comprehensively and thoroughly.
- The sand filter system is dirty: Clean the system and the filter sand according to the instructions and rinse back thoroughly.
- The filter accuracy is limited: Use a flocculant to capture more particles in the filter.
- The cover is missing: UV rays dissolve chlorine and support algae formation. If possible, protect your pool from sunlight with a tarpaulin.
How can I support the filter system in removing algae?
Even the best sand filter system can only filter the water that flows through it. If algae has already settled on the pool wall or floor, you must first loosen it. To do this, use a suitable brush andscrub the pool floor intensively without damaging it. You should then remove the algae with a pool vacuum. The final step is to disinfect the water to prevent further growth. To do this, you should carry out shock chlorination with chlorine granules.
How do I clean the sand filter system to better filter algae?
Once you have cleaned the water, you should clean the sand filter system thoroughly. After intensive algae control, it is heavily polluted. RinsingThoroughly return thesand filter system so that the sand works effectively again as a filter medium and the filter pump is not overloaded. When backwashing, follow the manufacturer's instructions. Be sure to backwash until the backwash water is clear again.
How do I prevent strong algae formation with a sand filter system?
Clean and check your pool regularly. The sooner you detect and combat an increased amount of algae, the less effort it will take. Continuous and adaptedPool careprevents strong algae formation. Make sure that the pH value and chlorine value in the pool water are optimal to effectively prevent algae.
Tip
This is how you can recognize an algae infestation in the pool
If the pool water is green or brown in color, this can also indicate a metal failure. This occasionally occurs when using well water. To make sure your pool has an algae problem, you should feel the interior walls. If these are slippery, algae have multiplied excessively and should be treated accordingly.
