How to Fix GH and KH in Aquarium Water
Your neon tetras are hiding, your angelfish fins are clamped, and mysterious white crust is forming on your filter intake. These are classic signs your aquarium’s GH (General Hardness) and KH (Carbonate Hardness) are dangerously out of balance. When these critical water parameters drift too high or too low, they destabilize pH, disrupt fish osmoregulation,…
