Thinking Of Buying A Test Kit

[vfg10]

hello
I'm thinking of buying a test kit to check my pond
but since I live in mexico I dont have so many options
I could only find the amonia test kit
what do you guys think of this brand
http/us.st12.yimg.com/us.st.yimg.com/I/y...6_2046_78555063
I was thinking of buying a pool test kit just to check the ph and chlorine
do you tink is a good idea ??

any ideas ??

thanks for the help