In The Swim Algaecide 60 Plus
Best high-potency algaecide for pool owners managing well water and stains.
Maintain a pristine pool with In The Swim Algaecide 60 Plus. This potent, non-metallic polymer algaecide effectively combats all algae types, including green, yellow, black, and pink. Its advanced formula, featuring 60% polyquat active ingredient, provides double the efficacy and extended protection over standard treatments. It is pH tolerant, non-foaming, and particularly beneficial for pools supplied by well water, helping to prevent rust stains. This algaecide is compatible with most pool sanitizers, ensuring a clean and enjoyable swimming environment.
$27.99
Owner Satisfaction
4.5
/ 5
Category Rank
298
/ 1309
#298 in Pool Cleaners & Chemicals
Price vs Category Average
-59%
Below average
Active Ingredient
60
/ % polyquat
Who it's for
- Pool owners battling stubborn or recurring algae outbreaks
- Homeowners protective of delicate pool finishes and surfaces
- Busy pool managers seeking low-maintenance, long-term prevention
Who should skip it
- Budget-conscious shoppers prioritizing lower upfront costs
- Novice pool owners uncomfortable with precise chemical measurements
- Users dealing with deep-seated, established black algae colonies
Performance breakdown
Algae eradication potency
The 60% polyquat formula aggressively neutralizes even the most stubborn algae blooms.
Water chemistry compatibility
pH-tolerant design ensures consistent performance across diverse pool water conditions.
Well water performance
Specialized non-metallic composition effectively prevents unsightly rust staining from well sources.
Application convenience
Non-foaming liquid formula allows for quick, mess-free dosing without pool disruption.
Treatment longevity
High concentration levels provide extended protection that outlasts standard market alternatives.
System versatility
Highly effective for standard pools, though incompatible with saltwater filtration systems.
Key Specs
Active Ingredient
60% polyquat
Chemical Form
Polymer-based liquid algaecide
Container Size
1 qt.
Product Weight
2.495 lbs.
Initial Dosage
6-11 oz. per 10,000 gallons
Maintenance Dosage
2-4 oz. per 10,000 gallons
Pool Surface Compatibility
Non-staining
Product Dimensions
3.2" Width x 9.4" Length x 3.3" Height
Features
- Controls all algae types
- Twice as effective as standard algaecides
- Prevents blue-green stains
- Ideal for well water rust control
- Compatible with most sanitizers
- Non-foaming and low-odor
- pH tolerant for flexible application
- Safe for super chlorination
What customers say
Customers highly value this professional grade algaecide for its powerful efficacy against stubborn green and mustard algae. Its 60 percent active ingredient concentration delivers rapid curative action and excellent long term prevention, leading to pristine water clarity with less frequent application. While the initial cost is higher, users agree the product offers exceptional value due to its high concentration and reduced need for re treatment. The core sentiment praises its quality and reliability as an essential tool for serious pool maintenance, noting that proper chemical balance is necessary for best results.
Know before you buy
No, the In The Swim Algaecide 60 Plus is a non-foaming formula, so it will not create suds or bubbles in your pool water after application.
Yes, this algaecide is an excellent choice for well water. Its formula helps prevent rust stains caused by high mineral content, keeping your pool surfaces clean.
No, this specific algaecide is not compatible with saltwater pool systems. You should look for an algaecide specifically formulated for saltwater environments instead.
For routine maintenance, you should add 2 to 4 ounces per 10,000 gallons of water. The frequency depends on your pool's specific needs and environmental conditions.
Yes, it is designed to combat all common algae types, including green, yellow, black, and pink algae.
Yes, this algaecide is compatible with most standard pool sanitizers and is safe to use even during periods of super chlorination.
Still have a question?
Ask Hayley anything about this product before you decide.