tannins are slowly released

Thanks to its tubular shape

Sprid därefter en liten mängd jämnt över vattenytan

Hard rods that sink quickly and hold their shape

reducing stress and creating a more natural environment

JBL ProAquaTest NH4 – Ammoniumtest biofilm tannins are slowly releasedJBL ProAquaTest NH4 Ammonium Test A quick and reliable test for measuring the levels of ammonium (NH4) and ammonia (NH3) in aquarium water or ponds. The test helps you monitor the aquarium's biological balance and bacterial activity, which is important for the well being of fish and other aquarium inhabitants. The test can be used in both freshwater and saltwater aquariums and is particularly useful when starting a new aquarium or if you suspect