Tropical fish come from a range of pH levels in nature but most are happy in a pH of 7. Here's what pH level tropical fish tank need.
Betta Fish Care
A Guide to Keeping Tropical Fish as Pets - Unusual Pet Vets
HOW TO: Setting Up a Fish Tank for a Betta Fish (Beginner's Guide)
Symptoms Of Low pH In A Fish Tank
Betta Fish Care - How to Take Care of a Betta
Aquarium Care Record Book: Home Fish Tank Record Book, Aquarium Care Notes, Recording Fish Feeding, Fish Keeping Journal, Aquarium Care Log Book: Books, Aquarium: 9798680222423: Books
Water Parameters - How to measure and control aquarium PH
What Is pH and How to Easily Test It in Your Aquarium?
African Cichlid Aquarium Setup Guide
Planted Aquariums: Complete Guide for Beginners
Discus Care Guide: How to Keep a Discus Aquarium — Buce Plant