Well you don't want to be color blind at all with these pads.Ed Hahn said:They tell me their polyfilter when green indicates ammonia.
Their filter goes blue when removing copper, Orange with iron, green with ammonia etc.
PolyBioMarine said:Copper turns Poly-Filter : Aqua to Blue in coloration. Normally when ammonia is involved there
is also tan to brown coloration from Organics being sorbed
also. Ammonia is a slight yellowish-green for most aquaria. Fish Importers notice
a brown-black when they acclimate overseas imports at a ph
level of 3 -4 pH back into clean water.
Enter your email address to join:
Register today and take advantage of membership benefits.
Enter your email address to join: