(Explosive model) PH residual chlorine nitrite ammonia nitrogen (aquarium fish tank) full set of detection box (aquaculture) full set of detection box PH value detection residual chlorine detection nitrite detection ammonia nitrogen detection hardness
article number:
E106
Scope of application:
fish tank fish pond aquaculture
Precautions:
Keep away from children Do not eat or drink
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Items weight estimation 0 g, subject to actual weight
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