Yes been asked many times before but you might be surprised at the answers!
You don’t say anything about your tank though, will it be injected with additional C02, will you be adding daily fertilisers, will you be carrying out large regular water changes?
Thing is... most test kits won’t show you a true reading as other factors happening in the planted tanks water column will influence the test kits and give false information!
You can get a water quality report from your local supplier, that will give you a base line but most of us don’t bother testing the tank water.
However if you are injecting C02 then a PH pen is well worth the money.
When you are well read up and ready to start up you tank, add as many plants as possible, carry out regular tap water, water changes and wait for around 5 weeks before adding any livestock.
If your plants are growing sucsesfully then the journey will be very easy, no need to add ammonia or anything else that is allegedly supposed to speed up the process.