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My recommendation is to throw that bottle of Wardley Bullseye away. Chemical pH adjusters are not good products. pH down products are nothing more than acid. pH up products usually contain significant levels of phosphates.
In either respect, they are a short term solution, which usually create other problems when used.
Why do you think you need to soften your water? what's your current pH? what's your current Gh
I really doubt you need any pH conditioners. The only water treatment you should need is a basic dechlorinator, and I recommend Prime by SeaChem, as it dechlors, but doesn't contain aloe vera or other extra junk that could cause issues. Its also very concentrated so its a little more economic.