Product Overview
The Pool RX Black Plus Pool Unit Algaecide 331066 is designed to help fight stubborn algae growth in swimming pools from 20,000 to 30,000 gallons. This specialty pool unit is made for pools that need added algae control support, including situations where black algae or recurring algae problems are affecting water clarity and pool appearance.

Pool RX Black Plus is ideal for pool owners and service professionals looking for an easy-to-use algae control product that supports routine pool maintenance and helps reduce algae-related cleanup.

Ideal For
Pools from 20,000 to 30,000 gallons
Black algae treatment support
Recurring algae problems
Residential swimming pools
Pool service professionals
Routine pool maintenance
Improving water appearance
Supplemental algae control

Key Features
20,000 to 30,000 gallon coverage designed for medium to larger residential pools

Black Plus formula made for stronger algae control support, including stubborn algae conditions

Easy pool unit design helps simplify application compared to repeated liquid treatments

Supports water clarity by helping reduce algae growth that can cloud or stain pool surfaces

Works with routine pool care as part of a balanced pool maintenance program

Great for service routes where fast, simple algae control support is needed

Benefits
The Pool RX Black Plus Pool Unit helps pool owners and service professionals manage algae growth more easily. By adding targeted algae control support to the pool, it can help reduce the time spent brushing, treating, and cleaning algae-affected surfaces.

This is a strong option for pools that experience recurring algae problems, especially during hot weather, heavy use, or poor circulation conditions.

Specifications

Confirm Before Ordering
Please confirm pool size, water chemistry, sanitizer type, and algae condition before ordering. Always follow the product label directions and use only as directed.

Usage Note
For best results, balance pool water before use, brush affected areas, and maintain proper sanitizer levels. Black algae can be difficult to remove and may require brushing, circulation improvement, and continued water chemistry maintenance.

Safety Note
Use only according to the product label. Keep out of reach of children and pets. Do not mix chemicals directly. Store in a cool, dry, well-ventilated area away from incompatible materials.

Warranty & Compatibility
Compatibility depends on pool size, pool surface, water chemistry, and sanitizer system. Always follow manufacturer instructions and confirm compatibility with your pool maintenance program before use.

Customer-Facing Q&A

Q: What pool size is this for?
A: This Pool RX Black Plus unit is designed for pools from 20,000 to 30,000 gallons.

Q: What is this product used for?
A: It is used to help control algae growth, including stubborn or recurring algae problems.

Q: Is this for black algae?
A: Yes. The Black Plus version is intended for stronger algae control support, including black algae conditions.

Q: Do I still need chlorine or sanitizer?
A: Yes. This product supports algae control but does not replace proper sanitizer levels, filtration, brushing, and balanced water chemistry.

Q: Should I brush the pool before using it?
A: Brushing affected areas is recommended, especially for black algae or algae attached to pool surfaces.

Q: Can this be used for routine maintenance?
A: Yes, it can be used as part of a regular pool maintenance program when used according to the label directions.