By Jacks Magic





Product Description

The Yellow Stuff® (ALGAECIDE) is a powerful all-purpose algaecide. The Yellow Stuff quickly eliminates all types of algae breakouts, and is also a highly effective algae preventative. The Yellow Stuff is safe for all pool finishes and works all major pool sanitizing systems. Swimming can resume in a few hours. Dosage: Initial: 4 ounces per 10,000 gallons For severe accumulations, double the dosage.

Product Specifications

2 lbs.

?     Asked on 9/11/2009by Guest

Does Purple Stuff act as a sequestering agent for both high calcium and high TDS in a chlorine generation system?

A  Answered on 9/11/2009 by InyoPools Product Specialist Patrick P.

Yes the Purple Stuff works as a sequestering agent for both high calcium and high TDS in salt chlorine generation system.

?     Asked on 8/11/2010by Guest

What is the dosage rate on the YELLOW Stuff?

A  Answered on 8/11/2010 by InyoPools Product Specialist Patrick P.

The dosage rate is one cap full per 10,000 gallons and each time you add a cap full you would also need to add 1 lb of liquid chlorine or 1 lb. of granular chlorine.

?     Asked on 8/14/2015by Larry

Jack's Yellow Stuff: what is the primary ingredient and of what concentration?

A  Answered on 8/14/2015 by InyoPools Product Specialist Matt S.

Larry, the active ingredient is Sodium Bromide at 99% of the package contents.

?     Asked on 1/27/2017by TJ

Is jacks yellow stuff safe to use with a salt water generator to get rid of mustard algae?

A  Answered on 1/27/2017 by InyoPools Product Specialist Adam Y.

Yes, Just use small doses and you would want to use a shock with it as it is chlorine activated and will use it up.

?     Asked on 4/4/2017by Inyo Visitor

Where can I buy it in Houston Texas?

A  Answered on 4/5/2017 by InyoPools Product Specialist Joe S.

Good day, at this time we do not have any store fronts or outlets in Texas. We can however ship direct to you with free shipping and no sales tax since you are in the state of Texas.


Est. Repair Time

Less than 1 hr

Tools Needed



Written on 9/5/2019 by Guest

Best for removing algae I would recommend this product to anyone with a pool. I also purchased the purple stuff as well. Great products!

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