Water Quality Conundrums

Since we all have more time on our hands at home, we thought we’d do something a little bit different. Below are 5 water quality results. It is up to you to determine what the issues are, name the syndrome, if present, and how to correct the results to make them safe for fish! You can download the entire worksheet with testing results here.

Here’s some study materials to get you started:

• Water Quality Basics
• New Tank/Pond Syndrome
• Old Tank/Pond Syndrome
• Fish Bowl Syndrome

Problem 1: 50-gallon goldfish tank

Parameter	Value
Ammonia	3 mg/L
Nitrite	0 mg/L
Nitrate	0 mg/L
pH	4.5
kH	0 mg/L
Temperature	70 F

Problem 2: 2,000-gallon koi pond

Parameter	Value
Ammonia	1.5 mg/L
Nitrite	0 mg/L
Nitrate	0 mg/L
pH	7.5
kH	200 mg/L
Temperature	70 F

Problem 3: 10-gallon betta tank

Parameter	Value
Ammonia	0.5 mg/L
Nitrite	0.1 mg/L
Nitrate	5 mg/L
pH	8.0
kH	200 mg/L
Temperature	70 F

Problem 4: 500-gallon koi pond

Parameter	Value
Ammonia	0.5 mg/L
Nitrite	0.1 mg/L
Nitrate	80 mg/L
pH	7.5
kH	200 mg/L
Temperature	74 F

Problem 5: 1-gallon betta bowl

Parameter	Value
Ammonia	0.75 mg/L
Nitrite	0 mg/L
Nitrate	0 mg/L
pH	6.5
kH	10 mg/L
Temperature	74 F

Answers to Water Quality Conundrums

Other Articles You Might Like

• Water Quality Basics
• New Tank/Pond Syndrome
• Old Tank/Pond Syndrome
• Fish Bowl Syndrome