Is Crystal Plex safe to use with fish?

This product is safe for livestock, recreation, potable water and not harmful to most fish when used according to label directions. There are a few exceptions, Crystal Plex is not meant for small deco ponds and is toxic to Koi, Goldfish and Trout.

How often should I use Crystal Plex?

Crystal Plex algae control should be used when algae is present. Wait 14 days between applications and only treat a 1/2 or 1/3 of the pond at a time to recover oxygen levels.

How do I apply this product?

Apply by mixing and spraying algae.

How much product do I use?

13 oz. of Crystal Plex mixed with a couple gallons of water will treat 1,000 square feet.

When is the best time to treat my pond algae?

Pond algae should be treated when algae is actively growing and water temperatures are above 60F.

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Crystal Blue Plex Lake and Pond Algae Control

Product ID: 636390950

Details

Brand
Crystal Blue
Item form
Copper Liquid
Item weight
4.08 kg
Liquid volume
128 Fluid
Manufacturer
Sanco

⏳Up to 30 days active control

🌊1 gallon treats 1 acre pond

💧Liquid copper sulfate formula

R$1989

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Clear waters, zero algae—own your pond’s glow-up!

EASY APPLICATION - Best applied with broadcast spray; treat in sections to maintain oxygen balance.
FISH SAFE FORMULA - Safe for most fish species—just avoid Koi, Goldfish, and Trout ponds.
EFFICIENT COVERAGE - One gallon treats a full acre pond, 1 to 3 feet deep—max impact, minimal effort.
LONG LASTING ACTION - Keeps your pond pristine for up to 30 days with a single application.
POWERFUL ALGAE ELIMINATOR - Targets and eradicates multiple algae types for crystal-clear water.

Crystal Blue Plex Lake and Pond Algae Control is a liquid copper sulfate solution designed to eliminate various algae types effectively. It remains active for up to 30 days, with one gallon treating a 1-acre pond between 1 and 3 feet deep. Safe for most fish species except Koi, Goldfish, and Trout, it requires careful application to avoid oxygen depletion, making it the go-to choice for maintaining vibrant, algae-free ponds.

Specifications

ASIN	B000IOBRBY
Brand Name	Crystal Blue
Customer Reviews	4.0 4.0 out of 5 stars (907)
Global Trade Identification Number	00768980004448
Item Form	Copper,Liquid
Item Weight	4.08 kg
Liquid Volume	128 Fluid Ounces
Manufacturer	Sanco
Manufacturer Part Number	444
Model Number	444
Number of Items	1
Pet Type	Bird, Fish
Target Species	Fish
UPC	768980004448

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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R$1989

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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