How to Test GH & TDS the Right Way (Beginner to Advanced)
🧪 How to Test GH, KH, and TDS Correctly – Aquarium Water Guide Water might look clear, but what’s really in it? If you’ve only been testing ammonia, nitrite, and nitrate — you’re missing a huge part of your tank’s chemistry. General Hardness (GH),
pH, KH, and GH: Understanding Aquarium Water Hardness
Why pH, KH, and GH Matter in Aquariums If you’ve ever had fish die mysteriously after a water change or plants suddenly melt — unstable water hardness might be the cause. pH, KH, and GH are deeply connected, and understanding them helps you build