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Sample questions
Under what specific condition is it restricted to NOT use CutrineUltra in water containing trout?
- If carbonate hardness does not exceed 50 ppm
- If the water temperature is below 60°F
- If the copper concentration exceeds 1.0 ppm
- If the water is in a slow-flowing state
Show answer
The label states: 'Do not use in water containing trout if carbonate hardness does not exceed 50 ppm.'🔗 Source
Which of the following target pests is specifically listed as being controlled by CutrineUltra?
- Hydrilla verticillata
- Duckweed
- Water Hyacinth
- Milfoil
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The label explicitly lists Hydrilla verticillata and Egeria densa as specific rooted aquatic plants controlled by the product.🔗 Source
What is the maximum allowable copper concentration in treated water according to the restrictions?
- 1.0 ppm
- 0.9 ppm
- 50 ppm
- 1.5 ppm
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The restrictions section states: 'Do not exceed 1.0 ppm copper concentration in treated water.'🔗 Source
How should the application rate be determined for general algae control?
- Use Table 1 to determine concentration based on algae growth density
- Apply a fixed rate of 0.9 lbs of copper per acre
- Apply a constant 1.0 ppm regardless of depth
- Use the same rate for all water depths
Show answer
The mixing notes state to use Table 1 to determine copper concentration based on algae growth density.🔗 Source
When applying CutrineUltra to an irrigation conveyance system via a drip system, what is a noted benefit?
- Prevents clogging of headgates and suction screens
- Increases the water temperature to 60°F
- Reduces the need for copper management
- Eliminates the need for PPE
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The label states that when using the drip system, the product helps prevent clogging of headgates and suction screens.🔗 Source
Which of the following is required PPE for handling CutrineUltra?
- Goggles or a face shield
- Respirator and heavy apron
- Chemical-resistant boots and earplugs
- Full-body Tyvek suit
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The PPE section requires goggles or a face shield, along with long-sleeve shirts, long pants, socks, shoes, and rubber gloves.🔗 Source
Which set of weather and environmental conditions will expedite the control of pests?
- Calm and sunny conditions with water temperature at least 60°F
- Heavy rain and cloudy conditions with water temperature at 50°F
- High wind and sunny conditions with water temperature at 70°F
- Calm and overcast conditions with water temperature at 55°F
Show answer
The label notes that calm and sunny conditions with water temperature at least 60°F will expedite control.🔗 Source
According to the label, where is CutrineUltra intended for use?
- Outdoor water bodies such as lakes, rivers, and ponds
- Indoor decorative fountains and aquariums
- Small volume garden pond systems
- Indoor hydroponic systems
Show answer
The label specifies outdoor sites including lakes, rivers, reservoirs, and ponds, while explicitly stating not to use it in small volume garden pond systems.🔗 Source
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