Crystal Blue Copper Sulfate

$29.75 - $200.00

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5 out of 5 stars Rating: 5

4 Reviews | 6 Q&A

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{ $29.75 { $26.61 $200.00
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Crystal Blue Copper Sulfate jar (5 lbs)

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Crystal Blue Copper Sulfate - CASE (8 x 5 lbs. jars)Crystal Blue Copper Sulfate - CASE (8 x 5 lbs. jars) case (8 x 5 lb jars)

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Crystal Blue Copper Sulfate

Crystal Blue Copper Sulfate controls most species of algae like filamentous or string algae with very low concentrations of copper sulfate. Crystal Blue Copper Sulfate is granular copper sulfate.




Treatment of algae can result in oxygen loss from decomposition of dead algae. This loss can cause fish suffocation. To minimize this hazard, treat one-third to one-half of the water area in a single operation and wait 14 days between treatments. Begin treatments along the shore and proceed outward in bands to allow fish to move into untreated water.

NOTE: If treated water is to be used as a source of potable water, the metallic copper residual must not exceed 1ppm (4 ppm copper sulfate pentahydrate).

Minimum number of days between applications = 14 days.

State law prohibits the use of this product in sewage systems in the State of Connecticut and in the following counties of California: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma. Not for sale or use in septic systems in the state of Florida.

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5 out of 5 stars (4)

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  • 12 of 12 people found this review helpful:

    5 of 5 stars  crystal blue copper sulfate
    By Barbara in daytona beach, florida on 10/12/2012
    Verified Purchase

    I have had pools all of my adult life. and when i live in the north keeping the pool alge free was easy but now i live in Florida were the long hot days make alge a big problem. after spending hundreds of dollars on chemicals i remember using copper sulfate one really hot summer up north it worked great, pool stayed blue. so i tried it on my never ending task of keeping the Florida pool blue. works great, NO MORE GREEN IN MY POOL EVER! and the cost is a lot, lot, cheaper then the algiaside they sell in pool store cause you only need a little pit. and you don't need to put the copper sulfate in every two or three days like you do with the other poll chemicals

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  • 11 of 12 people found this review helpful:

    5 of 5 stars  Great Product!
    By in Louisville, KY on 07/11/2013
    Verified Purchase

    Crystal Blue removed the algae from our pond in just days. It was very easy to use. I just used it dry by broadcasting it across sections of the pond. I did about half of the pond the first week and the other side the next. I had no issues with the fish, turtles or fish in the water. Now I can see them much better! I wore gloves, a mask and safety glasses for protection. No issues with any skin irritation. I will order this again!

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  • 4 of 4 people found this review helpful:

    5 of 5 stars  got it done
    By Frank in Star Mississippi on 04/07/2015
    Verified Purchase

    I had a litte moss forming in the edge of my pond this stuff works great i dissolved some of the crystal in my sprayer sprayed it on top in one day started turning dark three days it was gone

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  • 5 of 5 stars  Crystal Blue Copper Sulfate Granular
    By Stuart in Franklin, Alabama on 07/24/2016

    In our experience this is the only product to use to rid ponds of filamentous algae. We found that how you apply the product is very important. We have a 3 acre pond that we let the algae get away from us and both consulted and used pond management companies to no avail. They said that it could not be eradicated, only controlled thru the use of tilapia which in Alabama dies off each year. Liquid injection would only work by using our portable tanked pressure washer which would literally grind the crystals into a consistent liquid. Trying to dissolve the product is very hard to do. Using the pressure washer with a 8' wand and injecting it underwater at the root system and spraying the floating offspring worked, but it took three applications. We have a second small one acre pond and decided to try a different application approach. We took one of the plastic jug containers that the sulfate comes in and attached it using worm gear clamps to a broom handle. Next we drilled a 3/8" hole in the plastic top. We simply walked the shoreline sprinkling the crystals on the surface. The crystals immediately sank directly onto the root systems. You need a slight breeze that pushes the floating mats against the banks. This type algae is very invasive and takes a persistent attitude to eradicate. The Crystal Blue Copper Sulfate in granular form is the only way to go. The product appears to be expensive but in the big picture it is required to completely eradicate the algae. Its the only product we will use if and when the algae reappears. Note: Dyeing the pond is very important also. We strongly recommend the use of Prime Source WSB Colorant. Great product.......

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07/27/2014 Wendy from Dresher

QHow much area does one jar of Crystal Blue Copper Sulfate cover?

ACrystal Blue Copper Sulfate can be applied using 2 1/2 to 4 lbs per acre foot. The application varies depending on how much water you treating. Please see page five of the product label for calculation instructions.

2 of 2 people found this answer helpful.
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07/10/2015 Robert from St. Louis Mo

QWhat is the best way to apply Crystal Blue Copper Sulfate on algae?

A

Crystal Blue Copper Sulfate should be applied on a sunny day after mixed with water. You should spray one-half of the water area and wait 14 days before treating the remaining half. This will prevent the suffocation of the fish.

2 of 2 people found this answer helpful.
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07/12/2013 Nikia from Atchison, Ks

QIs the Crystal Blue Copper Sulfate appropriate and safe for use in a pool?

AThe product label for the Crystal Blue Copper Sulfate does not state that it can be used in pools and says to avoid direct contact with humans. Since this is an off label usage, we suggest contacting Sanco Industries at 888-697-2626 to see if any harmful effects would come of you using it in this manor. Please let us know if you have any other questions.

2 of 4 people found this answer helpful.
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07/18/2015 Brad from Ia

QAt what rate could I mix Crystal Blue Copper Sulfate with water to kill pond moss or algae?
I have the product and just thought I might get better coverage without having to buy Cutrine Plus.

A

Crystal Blue Copper Sulfate can be applied using 2 1/2 to 4 lbs per acre foot. The application varies depending on how much water you treating. Please see page five of the product label for calculation instructions.

1 of 1 people found this answer helpful.
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05/12/2015 Nick from Illinois

QWhat is the form and size of Crystal Blue Copper Sulfate?

ACrystal Blue Copper Sulfate is a powder formulation with crystals and they are blue.

1 of 1 people found this answer helpful.
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02/09/2016 Jerry

QCan Crystal Blue Copper Sulfate be used to for cleaning algae on the side of a house?

A

Crystal Blue Copper Sulfate should only be used to control algae in listed bodies of water and for other uses approved on the product label. This product can be corrosive and would likely cause damage if you tried to spray it on a structure. We do sell other products made for this use, such as Lilly Miller Moss Out Heavy Duty Cleaner, which is made specifically to treat surfaces like roofs, siding, concrete, and patios. Bayer Advanced 2 in 1 Moss and Algae Killer RTS is another option that is convenient for treating smaller areas.

1 of 1 people found this answer helpful.
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