Water Parameter issues

maybe the tap has gotten harder but the gh in the tanks is amiss.

" Now My TAP water has skyrocketted to PH of 7.6, GH of 7-8 and KH of 5"

this is not alarming to me..but
" 3rd tank- 55g. PH level 7.4, GH is very HIGH 25, and KH 5"

is a bit bothersome ;)
 
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