Will this product lower chlorine level?

No. It doesn’t increase chlorine. It is an algaecide for pink algae. This actually helps the chlorine work better against pink algae.

I have biogurad algicide in garage from last year. if it froze over winter is it still good?

All I know is that I leave mine out in the pool house, and it was 20 below several times, and I use it every year. I would simply call a pool supply house, they list them on google and ask....but I really believe it is fine.

I cannot read the ingredients and % , can you help?

I would advise Copper Sulfate algicide. This is NOT Copper Sulfate, that kills aggressive Black Algae.

Does it kill black algae?

I would not think so. Please google and read all that is said about black algae. You have to not only clean your pool but anything you use or wear in the pool that brought it in. You start with a triple shocking the pool and I would use shock from Doheny's because it is strong. You brush and brush and leave the filter going 24/7. This algaecide can be used for maintenance. I no longer use algaecide...I just shock it. I have an inground pool in Iowa which has a liner. It's about 18,000 gallons and I learned that it takes 5 times that recommended of shock when I close it....the small print says those pool closer kitsi you buy are for 3 months. I used 10 pounds of shock last winter, closed it for 9 months and it was clear when I opened it. I only used shock....no algaecide, etc. But read about black algae....it may take two triple doses with a week in-between and lots of brushing.That's one pound of shock for every 10,000t gallons of water. I called a pool company who called their rep who found a manufacturer who found a special algaecide just for it. It took me a month to find that after spending lots of dollars and was it gone in a week. As to this algaecide...it won't touch black algae. If you use any make sure it does not foam.

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In The SwimAlgaecide 60 Plus for Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart

In The SwimAlgaecide 60 Plus for Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart

4.6/5

Product ID: 742686538

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Details

Brand
In The Swim
Item weight
2.5 Pounds
Item form
Liquid
Product benefits
Controls Algae
UPC
803354120772

💧compatible with chlorine, bromine, salt & more

🧪60% polyquat active ingredient

⚖️pH tolerant formula

Description

💦 Keep your pool algae-free and party-ready all season long!

NON METALLIC STAIN FREE - Protect your pool surfaces from unsightly stains with a metal-free, non-foaming formula.
IDEAL FOR POOLS WITH FEATURES - Low odor and non-foaming—safe for spas, waterfalls, and decorative fountains without disruption.
POWERFUL 60 POLYQUAT FORMULA - Twice as effective and longer lasting algae control for crystal-clear pools.
P H TOLERANT FOR EFFORTLESS USE - Works seamlessly in both acidic and alkaline pool conditions—no chemistry tweaks needed.
UNIVERSAL SANITIZER COMPATIBILITY - Perfectly pairs with chlorine, bromine, salt systems, and biguanide for versatile pool care.

In The Swim Algaecide 60 Plus is a high-strength, non-metallic algaecide with 60% polyquat active ingredient designed to prevent and control all types of pool algae. Its pH tolerant, low-odor, and non-foaming formula works flawlessly with various sanitizers including chlorine, bromine, salt, and biguanide, making it ideal for both above ground and inground pools—even those with spas or waterfalls. This product ensures stain-free, sparkling clear water while simplifying pool maintenance for busy professionals.

Specifications

Product Dimensions	23.88 x 8.38 x 8.13 cm; 1.13 kg
Part number	Y1300
Item display height	3.2 inches
Item display length	9.4 inches
Item display width	3.3 inches
Item display weight	2.5 Pounds
Manufacturer	In The Swim Discount Pool Supplies
Item model number	Y1300
ASIN	B002WKJAYS

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