Description
Reviews
| Brand | - |
| Category | Sports, Yoga, Fitness & Fan Gear / Pool Equipment |
| Origin | - |
| Product Form | Fine Blue Crystals |
| Primary Application | Algae Control in Ponds and Pools |
| Purity Level | 98% High-Purity Copper Sulfate |
| Solubility | Highly Soluble in Water |
| Package Weight | 5 lbs (2.27 kg) |
| Color | Vibrant Blue |
| Usage Context | Aquaculture, Ornamental Ponds, Swimming Pools |
| Storage Instructions | Keep in a cool, dry place away from moisture |
| Safety Gear Recommended | Gloves and Eye Protection |
| Origin | Manufactured in USA |
Anonymous
Mar 31, 2026
Rating: 5/5
Standard for aquaculture
We use this on our small fish farm for routine maintenance. It is consistent, reliable, and cost-effective compared to other brands we have tried.
Anonymous
Mar 30, 2026
Rating: 5/5
Saved my decorative fountain
My outdoor fountain was completely green and slimy. One treatment with this solution restored the water clarity immediately. Very satisfied with the results.
Anonymous
Mar 14, 2026
Rating: 5/5
High quality crystals
The purity is evident. No strange impurities or clumping. Dissolves quickly in a bucket of warm water before adding to the main system.
Anonymous
Mar 09, 2026
Rating: 3/5
Effective but handle with care
It does exactly what it says for algae control, but the packaging could be more secure. Some powder had leaked into the box upon arrival. Product itself works well though.
Anonymous
Mar 08, 2026
Rating: 5/5
Works perfectly for my koi pond
I had a severe algae bloom in my koi pond, and this copper sulfate cleared it up within two days. The crystals dissolved easily, and the fish showed no signs of distress when used according to the dosage instructions.
Anonymous
Mar 03, 2026
Rating: 4/5
Great value for pool maintenance
Using this as a supplemental treatment for my swimming pool during hot summer weeks. It keeps the water clear and prevents green tints. Just be careful with the measurement; a little goes a long way.
Q: Does this stain pool liners?
A: When fully dissolved before application, it typically does not stain. However, pouring undissolved crystals directly onto the pool floor can cause discoloration. Always pre-dissolve in a bucket.
Q: Can I use this to treat fruit trees as mentioned in the title?
A: While copper sulfate is used in agriculture, this specific listing is optimized for water treatment in pools and aquaculture. For agricultural fungicide use, please ensure you follow local agricultural regulations and specific crop guidelines.
Q: Is this safe to use in a pond with live fish?
A: Yes, it is safe for aquaculture and ponds with fish when used strictly according to the recommended dosage guidelines. Overdosing can be harmful to aquatic life.
Q: What is the shelf life of this product?
A: If stored in a sealed container in a cool, dry environment away from moisture, the product remains effective indefinitely as it does not degrade over time.
Q: How much product do I need for a 10,000 gallon pool?
A: Dosage varies based on algae severity, but a general starting point is 1/4 teaspoon per 1,000 gallons. Please consult the detailed instruction label on the package for precise calculations.
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