Aquarium Water Chemistry
21 entries in the Aquarium Water Chemistry compendium.
Water qualityWater quality assesses chemical, physical, and biological characteristics for intended use.AlkalinityAlkalinity measures water's capacity to resist acidification via buffer strength.Anoxic eventPeriods of widespread ocean oxygen depletion linked to mass extinctions.Bacteriological water analysisEstimates bacteria to assess water safety for human use.Bioactive paperA paper-based sensor that detects contaminants in food and water.Biochemical oxygen demandMeasures oxygen consumed by microbes degrading organic matter in water.BioindicatorOrganisms revealing environmental quality through their responses.Carbonate hardnessA measure of water hardness from carbonate and bicarbonate ions.Chemical oxygen demandA measure of oxygen consumed by chemical reactions in water.Water clarityWater clarity measures light penetration and underwater visibility.Coliform bacteriaIndicator bacteria for fecal contamination in water.Coliform indexA water purity rating based on fecal bacteria count.Color of waterPure water has a slight blue color from selective red light absorption.Colored dissolved organic matterCDOM is the optically measurable component of dissolved organic matter in water.Conductivity (electrolytic)Measure of a solution's ability to conduct electricity via ions.Dissolved organic carbonDOC is a key nutrient and carbon reservoir in aquatic systems.EuxiniaEuxinia describes anoxic, sulfidic waters, rare today but significant in Earth's past.Fecal coliformIndicator of potential fecal contamination in water.FormazineStandard synthetic colloid for calibrating turbidity measurements.Hard waterHard water has high mineral content, affecting soap and plumbing.Harmful algal bloomExcessive algae growth harming ecosystems via toxins or oxygen depletion.
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