Crystal Blue ® Blue Lake and Pond Colorant, 1 Gallon


$35.99 EA

Enhance the color of your pond or lake with Crystal Blue ® lake and pond colorant. This dye contains Acid Blue 9 to give your pond a vibrant shade of blue. Acid Blue 9 dye is a colorant found in food products so it is 100 % safe and will not harm fish, plants, humans, livestock and more.

Availability: In Stock -
Ships via ground service.

Crystal Blue ® blue lake and pond colorant is a pond dye that when used can boost your landscape by creating water reflections to compliment your body of water. It may be easily added to the water from the shoreline, docks, or boats, and the colorant will spread naturally. This blue pond dye works to clear muddy waters and settle dissolved solids. The active colorant ingredient in this Crystal Blue ® gallon is a concentrated form of Acid Blue 9. This ingredient is safe for humans, fish, livestock, pets, birds, reptiles and nearby irrigation systems. Please refer to label for instructions prior to use.


  • Crystal Blue ®
  • Blue lake and pond colorant
  • Net contents: 1 Gallon
  • Coverage: 1 gallon will treat 1 acre of water with a depth of 4 to 6 feet
  • Based on water quality, 1 gallon of Crystal Blue ® will treat 1,500,000 gallons of water
  • Ingredients: Acid Blue # 9 - 25.9 %, Inert and proprietary ingredients - 74.0 %
  • Application: Crystal Blue ® colorant can be added from shore line or a slow moving boat
  • Colorant should spread and mix uniformly within 24 hours with wind and water currents
  • Helps settle dissolved solids for water clarity
  • Please refer to use for instructions


Shipping Information

Your order is important to us and we will strive to process it as quickly as possible. Most in-stock items are shipped within 2-4 business days and typically deliver in 5-7 business days. In-stock items may ship from multiple locations and can arrive on separate days. Heavy or bulky items will ship via Freight/Truck Service and will take 8-10 business days for delivery. For those immediate product needs, we do offer at an additional cost, express service from UPS and Motor freight.

Shipping costs are determined by item weight and your zipcode. Once you have entered your shipping address, city, state, and zip code into checkout, your shipping total will be calculated and available for review. Please see the shipping map below as a guide.

Return Information

Your satisfaction is our priority. If for any reason you are not satisfied with a purchase from Agri Supply, we will gladly refund your money, or exchange the item, or fix it should it break. A minimum one-year warranty applies to all non-perishable items, parts and service from Agri Supply. And, all hand tools sold by Agri Supply have a lifetime warranty, regardless of the length of the manufacturer's warranty. See our Agri Supply Guarantee for more details.

To return an item... give us a call at 1-800-345-0169, or visit one of our 8 retail stores near you, and one of our friendly customer service representatives, or store employees, will be glad to assist you.

If you have any questions please contact our Customer Service representatives at 1-800-345-0169

Standard UPS Ground Shipping Map -
UPS Ground
The above shipping chart applies to UPS ground shipments to the 48 contiguous states only. Please call 1-800-345-0169 for timing on shipments to Alaska, Hawaii, and Puerto Rico, thank you!

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