$500 for g-6, the only good thing about them is it alerts you if you have bad water condition, like ph, hardness things like that, so basically they added the electronic test kit in there, therefore cost alot
$500 for g-6, the only good thing about them is it alerts you if you have bad water condition, like ph, hardness things like that, so basically they added the electronic test kit in there, therefore cost alot