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</html><thumbnail_url>https://blog.tetra.net/en-en/wp-content/uploads/2019/03/ASafe.jpg</thumbnail_url><thumbnail_width>803</thumbnail_width><thumbnail_height>696</thumbnail_height><description>It is a well-known fact that every aquarist needs to regularly test the condition of their aquarium water. Poor water conditions are always a sign that the optimal biological balance has been disrupted and that the aquarium system is not functioning correctly. Water tests provide security, allowing for early identification of any imbalances and guarding [...]</description></oembed>
