Aquarium pH, GH & KH: What You ACTUALLY Need to Know

Most aquarium water test strips measure pH, GH, and KH, so how much do you need to pay attention to it? Here’s a beginner-friendly guide to the water chemistry in your fish tank, and what I personally do for my aquariums if I need to raise or lower those parameters.
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🛒 MATERIALS I USED
(I work for Aquarium Co-Op but do not receive commissions from their links.)
▶ Test strips:
▶ Catappa leaves:
▶ Seachem Equilibrium minerals:
▶ Crushed coral:
▶ Filter media bag (for crushed coral):
▶ Easy Green fertilizer:

📚 RESOURCES
▶ Nitrogen Uptake by Aquatic Plants (by Diana Walstad):

🦐 EXTRAS
▶ Instagram:
▶ Merch store:

EDITOR: Angela Guererro at

ATTRIBUTION
Music from Epidemic Sound: (if you use my referral link, I get 1 month free 😀)
RODI unit by Kingfish101 from
Doctoral cap by RRZEicons at
Downcast emoji by Twitter at

#girltalksfish #waterchemistry #aquarium

0:00 Is aquarium water chemistry important?
0:30 What is pH?
1:11 What is KH?
1:54 What is GH?
3:00 How to lower pH, KH, & GH
5:41 How to raise pH, KH, & GH
7:05 My recommendation for lazy fishkeepers

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