All posts by: AquaMaster

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Spring Weather Means Aquatic Weeds Are On The Way

Well, it’s that time of the year again where your pond looks great after the long winter die-off. But for many lake and pond owners, that break from the ongoing battle against weeds and algae is just a brief time of relief until the explosion of growth returns. Luckily, there is a solution that works […]


Aquashade® is EPA Registered to Control Growth

Aquashade is an EPA registered dye that is applied to lakes and ponds either to help reduce subsurface algae and weed growth, or to help improve the appearance of the water making it more aesthetically appealing. Unlike many lower grade dyes on the market, Aquashade not only contains blue as the base dye, but also […]


Winter Pond Prep

Well it finally that time of the year again and for some folks, the late fall offers some of the best pond views as nuisance weeds and algae go to sleep until next year. Most of the time there is not a lot to do other than enjoy the remaining ‘warm’ days and get prepared […]


Using dyes or colorants to control pond algae

We all know that a pond is indeed a very nice addition to any property as it adds a natural element to your backyard, enticing wildlife to stay in and around it. It is indeed a valuable aesthetic component of your property so you have to make sure that it is always looking its best […]


7 Pages of Aquashade Technical Information from Massachusetts

Aquashade is a water-soluble mixture of blue and yellow dyes, which is used as a nonselective herbicide to control young, bottom-growth of plants in contained lakes and ponds (Applied Biochemists, Inc., 1992a). The principle active ingredient in Aquashade is Acid Blue 9 (n-ethyl-n-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]- phenyl](2-sulfophenyl)-methylene)]2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium hydroxide inner salt, disodium salt (also prepared as the diammonium salt) […]


Aquashade has been around for a long time!

ABSTRACT One approach to controlling growth of aquatic plants has been to reduce light penetration by the application of light attenuating dyes. Eicher (1947) reported that nigrosine was effective in controlling curley leaf pondweed. Buglewicz (1972) tested the effects of various brown and blue dyes in an eutrophic Nebraska pond. He reported that Potamogeton spp. […]