Advanced water test series: simple and safe control of ammonium (NH4) and ammonia (NH3) in aquariums and ponds, ideal for checking the biological balance (bacterial activity) in fresh and sea water as well as ponds For direct use thanks to the complete set with reagents, glass cuvettes with screw cap, syringe, comparator block and colour scale, separately available refill reagent for refilling Box contents: 1 x JBL water test set, ProAquaTest NH4, includes 3 reagents, 2 glass cuvettes, syringe, comparator block and colour scale, contents: approx. 50 tests
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