Is There Any Such Thing As...

[smurfyy_2k3]

hi just wondering if theres any kind of electrical test kit which you can use to testthe water in your tank ... thanx

 

[tttnjfttt]

I know there is for pH, but not sure about the rest. Usually they are either in the form of drops you add to test tubes (recomended) or in little sticks you dip into your tank water.