Preventive against algae in ponds - Sera Pond Bio Humin 500ml Sun protection for ponds - UV blocker - Prevents water blooms - Gives water an amber colour and crystal clear transparency thanks to natural humic substances. In garden ponds without natural shade, strong sunlight can cause serious problems. Sera pond bio humin helps here thanks to its selective filtering of sunlight.
The intense UV radiation is reduced to a safe level. As a result, the rapid growth of algae is effectively prevented. In addition, fish swimming near the water surface are protected against severe sunburn. Thanks to the natural humic substances, sera pond bio humin gives the water an amber color and crystal clear transparency, reducing stress for all pond inhabitants. Manufacturer: Sera, Germany
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