pH Maupangiri Osankhidwa: Zida Zam'manja Q-pH31 Mtundu Wowonjezera Wowonekera Q-CL501P Mankhwala & pH Portable Colorimeter T-6800 Mipikisano magawo Makanema colorimeter T-CP40 Portimeter Yonyamula Yamadzi Akumwa T-SP80 Pooltest Portable Colourimeter Chowunikira pa intaneti K600 chowunikira madzi pa intaneti (K-Y01) Labu Zida Z-T700 wanzeru Mipikisano magawo chowunikira Z-D700 chowunikira chosiyanasiyana