Verdict overview
- worth the money 9.1
- Fashion 9.3
- Simple to use 9.6
- Sheerness 8.9
Pros
1. Non toxic to humans.
2. Eliminates most algae species.
3. Effective for thick algae mats.
Cons
Limited effectiveness.
Tech specs
| product dimensions | 4 x 4 x 10 inches |
| item weight | 5 pounds |

Product Overview
If you re looking for the perfect aquatic grade granular pond algae control, then Crystal Blue Copper Sulfate Algaecide is the one for you. This powerful algaecide is specifically designed to control troublesome filamentous, string algae and swimmers itch in ponds and lakes. Made with 99 Copper Sulfate Pentahydrate, this product is extremely effective when cast out on top of thick floating algae mats.
Not only does it have a powerful formula, but it also comes in an easy to use granular form that makes application simple. The included instructions are clear and concise, making it easy to apply the algaecide without any confusion or guesswork. With 5 pounds of algaecide per package, this is a great value product that will last for multiple treatments.

Crystal Blue Copper Sulfate Algaecide is designed for all types of aquatic environments including ponds, lakes and aquariums. However, it is important to note that this product should not be used with KOI or Goldfish as they can be sensitive to copper based products. For these situations, we recommend using an alternative algae control solution such as a non copper based algaecide or a combination of manual removal and mechanical filtration.
Overall, Crystal Blue Copper Sulfate Algaecide Aquatic Grade Granular Pond Algae Control has proven itself as a powerful and effective algaecide when used in the right situation. It s easy to use granular form makes application simple while its powerful formula ensures fast and effective results. With 5 pounds of algaecide per package, this is a great value product that will last for multiple treatments. We highly recommend Crystal Blue Copper Sulfate Algaecide for anyone looking for an effective way to control troublesome algae in their pond or lake environment.
Frequently asked questions
- What type of algae does this product control?
- How is this product used?
- What is the weight of this product?
- What are the product dimensions?
- What ingredients are included in this product?
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