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Salifert Nitrate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Nitrate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$21.95Salifert Nitrate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$21.95 -
Salifert KH / Alkalinity Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert KH / Alkalinity Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$20.95Salifert KH / Alkalinity Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$20.95 -
Salifert Calcium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Calcium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$23.95Salifert Calcium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$23.95 -
Salifert Magnesium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Magnesium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$24.95Salifert Magnesium Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$24.95 -
HI713-25 Hanna Phosphate Reagents — 25 Tests for Checker HC HI713 - Hanna -
Salifert Phosphate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Phosphate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$24.95Salifert Phosphate Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$24.95 -
HM Digital DM-1 – Moniteur Double TDS en Ligne — TDS Meter Reef Marine Aquarium - HM Digital 
HM Digital DM-1 – Moniteur Double TDS en Ligne — TDS Meter Reef Marine Aquarium - HM Digital
$39.99HM Digital DM-1 – Moniteur Double TDS en Ligne — TDS Meter Reef Marine Aquarium - HM Digital
$39.99 -
Salifert Ammonia Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Ammonia Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$17.99Salifert Ammonia Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$17.99 -
Alkalinity Test Pro — Fast KH Test, 78-100 Measurements for Reef Tanks - Aquaforest 
Alkalinity Test Pro — Fast KH Test, 78-100 Measurements for Reef Tanks - Aquaforest
$21.99Alkalinity Test Pro — Fast KH Test, 78-100 Measurements for Reef Tanks - Aquaforest
$21.99 -
Salifert pH Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert pH Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$13.95Salifert pH Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$13.95 -
HI755-26 Hanna Alkalinity Reagents — 25 Tests for Checker HC HI755 - Hanna 
HI755-26 Hanna Alkalinity Reagents — 25 Tests for Checker HC HI755 - Hanna
$15.99HI755-26 Hanna Alkalinity Reagents — 25 Tests for Checker HC HI755 - Hanna
$15.99 -
Neptune Systems Pinpoint pH Fluide de Calibration - pH 7.00 — Solution Reef Marine Aquarium - Neptune Systems -
Calcium Test Pro — Fast Calcium Test, 55-65 Measurements for Reef Tanks - Aquaforest 
Calcium Test Pro — Fast Calcium Test, 55-65 Measurements for Reef Tanks - Aquaforest
$29.99Calcium Test Pro — Fast Calcium Test, 55-65 Measurements for Reef Tanks - Aquaforest
$29.99 -
API Freshwater Master Test Kit — Aquarium Colorimetric Precision Test - API -
HI98319 Hanna Marine — Waterproof Salinity Tester IP67 0-40 ppt Reef - Hanna 
HI98319 Hanna Marine — Waterproof Salinity Tester IP67 0-40 ppt Reef - Hanna
$109.89HI98319 Hanna Marine — Waterproof Salinity Tester IP67 0-40 ppt Reef - Hanna
$109.89 -
HI713 Hanna Checker HC Phosphate — Reef Colorimeter 0.00 to 2.50 ppm - Hanna 
HI713 Hanna Checker HC Phosphate — Reef Colorimeter 0.00 to 2.50 ppm - Hanna
$69.94HI713 Hanna Checker HC Phosphate — Reef Colorimeter 0.00 to 2.50 ppm - Hanna
$69.94 -
Salifert Nitrite Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert 
Salifert Nitrite Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$14.95Salifert Nitrite Test Kit — Reef-Grade Titration for Marine Aquariums - Salifert
$14.95 -
Magnesium Test Pro — Fast Magnesium Test, 55-60 Measurements Reef - Aquaforest 
Magnesium Test Pro — Fast Magnesium Test, 55-60 Measurements Reef - Aquaforest
$29.99Magnesium Test Pro — Fast Magnesium Test, 55-60 Measurements Reef - Aquaforest
$29.99 -
Red Sea Algae Control Multi Test Kit (NO3, PO4) – High-Precision Nutrient Monitoring 
Red Sea Algae Control Multi Test Kit (NO3, PO4) – High-Precision Nutrient Monitoring
$115.99Red Sea Algae Control Multi Test Kit (NO3, PO4) – High-Precision Nutrient Monitoring
$115.99 -
HI782-25 Hanna Nitrate Reagents — 25 Tests for Checker HC HI782 - Hanna 
HI782-25 Hanna Nitrate Reagents — 25 Tests for Checker HC HI782 - Hanna
$34.99HI782-25 Hanna Nitrate Reagents — 25 Tests for Checker HC HI782 - Hanna
$34.99 -
HI736-25 Hanna Phosphorus Reagents — 25 Tests for Checker HC HI736 - Hanna 
HI736-25 Hanna Phosphorus Reagents — 25 Tests for Checker HC HI736 - Hanna
$15.95HI736-25 Hanna Phosphorus Reagents — 25 Tests for Checker HC HI736 - Hanna
$15.95 -
HI70024S Hanna — Salinity Calibration Solution 35 ppt Single Sachet 20 ml - Hanna 
HI70024S Hanna — Salinity Calibration Solution 35 ppt Single Sachet 20 ml - Hanna
$2.99HI70024S Hanna — Salinity Calibration Solution 35 ppt Single Sachet 20 ml - Hanna
$2.99 -
API Ammonia Test Kit (FW/SW) — Aquarium Colorimetric Precision Test - API 
API Ammonia Test Kit (FW/SW) — Aquarium Colorimetric Precision Test - API
$16.99API Ammonia Test Kit (FW/SW) — Aquarium Colorimetric Precision Test - API
$16.99 -
HI755 Hanna Checker HC Alkalinity — Reef Colorimeter 0 to 300 ppm CaCO₃ - Hanna 
HI755 Hanna Checker HC Alkalinity — Reef Colorimeter 0 to 300 ppm CaCO₃ - Hanna
$69.94HI755 Hanna Checker HC Alkalinity — Reef Colorimeter 0 to 300 ppm CaCO₃ - Hanna
$69.94
Water Tests for Reef Aquariums
Discover our complete selection of water tests and test kits for reef aquariums. Precise measurement of essential parameters to maintain optimal water quality and ensure the health of your corals, fish, and marine invertebrates.
Essential Parameter Tests
- Salinity - Refractometers and hydrometers
- pH - Acidity level (7.8-8.5 ideal)
- Alkalinity (KH/dKH) - pH stability (7-11 dKH)
- Calcium (Ca) - Coral growth (400-450 ppm)
- Magnesium (Mg) - Ionic balance (1250-1350 ppm)
- Nitrates (NO3) - Nutrient control (0-10 ppm)
- Phosphates (PO4) - Algae prevention (0.03-0.1 ppm)
- Ammonia (NH3/NH4) - Toxicity (0 ppm)
- Nitrites (NO2) - Nitrogen cycle (0 ppm)
Types of Tests
- Colorimetric kits - Accurate, economical
- Drop tests - Easy to use
- Strip tests - Rapid, multi-parameter
- Electronic testers - Maximum precision
- Continuous monitors - Real-time monitoring
- ICP Analysis - Complete laboratory test (70+ elements)
Available Brands
- Salifert - Accurate tests, global benchmark
- Red Sea - Pro and Reef Foundation Kits
- API - Economical and reliable testing
- Hanna Instruments - Electronic Testers
- Aquaforest - Precise colorimetric tests
- Seachem - MultiTest and Alert
Recommended Testing Frequency
Test weekly: pH, alkalinity, calcium, magnesium, nitrates, phosphates. Test daily during cycling: ammonia, nitrites, nitrates. Test monthly: all other parameters. Regular monitoring prevents problems and optimizes coral growth.
Secure delivery throughout Canada. Free delivery available depending on the order amount.