TheFritz Wide Range pH Test Kitis a liquid test that measures aquarium pH across the full 6.0–9.0 range — perfect for monitoring everything from soft-water blackwater tanks to high-pH African cichlid systems and saltwater reefs. Knowing your pH is critical for diagnosing tank issues, dialing in buffers, and keeping livestock stable. Pair with the rest of our water testing kits and water care supplies.
Why Test pH
- Diagnose tank issues— sudden pH swings are an early warning of cycling problems, low alkalinity, or organic buildup
- Match livestock requirements— softwater tetras and discus thrive in low pH; African cichlids and saltwater fish need high pH
- Dial in buffers— track results before/after dosing GH/KH supplements or pH buffers
- Confirm new tank cycling— paired with ammonia, nitrite, and nitrate kits
Specifications
| Brand | Fritz Aquatics |
| Test Type | Liquid reagent + comparator card |
| Range | pH 6.0–9.0 (wide range) |
| Water Type | Freshwater & saltwater |
| Tests Per Kit | ~100+ tests |
Recommended Pairings
- Fritz Ammonia Test Strips
- Fritz GH Test Kit
- Fritz Rift Lake Cichlid Buffer — for raising pH/KH in African cichlid tanks
- Browse all water testing kits
- Water care & maintenance
FAQ
How often should I test pH?
Weekly for established tanks. Daily during cycling, after a water change schedule change, or when troubleshooting livestock issues.
What pH should my tank be?
It depends on your livestock. Most community freshwater tanks sit happily at 7.0–7.6. African cichlids prefer 7.8–8.4. Saltwater reef tanks target 8.1–8.4. Softwater species (tetras, discus, blackwater) like 6.0–7.0.
Is liquid better than test strips?
Yes — liquid tests are more accurate than dipstick strips for diagnosing problems. Strips are fine for quick weekly screens; liquid for anything you care about.
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