HISSS
Northeast Martin Luther King Junior Boulevard, Portland, OR 97212
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Test Kits & Water Care
If you can't measure it, you can't fix it. Every aquarium owner needs reliable water chemistry tools.
API Freshwater Master Test Kit
Industry standard for pH, ammonia, nitrite, nitrate.
API Saltwater Master Test Kit
Reef and FOWLR essentials in one box.
Seachem Prime Water Conditioner
Detoxifies chlorine, chloramine, ammonia — a few drops per gallon.
Ammonia Test Kit
Catch ammonia spikes before they kill fish.
Nitrate Test Kit
Track nitrate to schedule water changes.
Reef Test Kit (Calcium / Alk / Mag)
Precision tests for coral chemistry.
pH Adjuster
Buffer solutions to dial in stable pH.
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