Quart Liquid Concentrated Stain Remover for Vinyl & Masonry Pools

In this review of the Quart Liquid Concentrated Stain Remover from Alden Leeds, the bottom line is simple: it is for pool owners who need a straightforward, concentrated treatment to remove surface stains and correct mineral-discolored water. The reviewer found the product effective for both vinyl and masonry pools when used at the recommended rate, and particularly useful as a seasonally targeted treatment rather than a daily chemical. If you want a reliable stain remover that treats large volumes with small doses, this product delivers clear benefits.

Key Features

• Concentrated formula: One quart treats up to 20,000 gallons when stains are present, keeping storage and handling minimal for large pools.
• Dual-surface use: Designed for both vinyl and masonry pools so a single product can be used across common pool shell types.
• Maintenance dosing: A low maintenance dose of 1 ounce per 5,000 gallons every two weeks helps prevent recurring mineral discoloration.
• Stain and mineral control: Specifically formulated to remove surface stains and clear mineral-discolored water rather than only masking color issues.
• Satisfaction guarantee: The product carries a satisfaction promise that gives buyers added confidence to try it on problem areas.

Who It's For

This product is aimed at residential and small commercial pool owners with visible surface stains or mineral discoloration who want a targeted chemical treatment rather than broad water replacement. It also suits maintenance-minded owners who prefer occasional concentrated treatments plus a small ongoing maintenance dose to keep mineral staining from returning.

It is less appropriate for someone looking for a universal weekly chemical or a combined algaecide and stain remover; those users should look for multi-purpose maintenance products. Also, owners who need treatment for extreme structural damage or non-surface stains should consult a professional for specialized restoration.

Pros & Cons

Pros

• Highly concentrated dosing reduces the amount of product needed to treat large pools.
• Effective on both vinyl and masonry surfaces, simplifying inventory for mixed installations.
• Clear maintenance schedule (1 oz per 5,000 gallons every two weeks) helps prevent recurrence.

Cons

• Not a multi-purpose weekly chemical; it is focused on stain removal and mineral clearing only.
• Requires careful measurement and application to achieve the claimed coverage and avoid overuse.

Specifications

Product name	Quart Liquid Concentrated Stain Remover Conquest
Brand	Alden Leeds
Container size	1 quart (32 oz)
Treatment rate (stains)	1 quart per 20,000 gallons
Maintenance dose	1 oz per 5,000 gallons every two weeks
Intended surfaces	Vinyl and masonry pools
Primary use	Remove surface stains and clear mineral-discolored water

Our Verdict

For pool owners dealing with visible surface stains or mineral discoloration, this concentrated quart is a practical, cost-effective choice because small doses treat large volumes and a clear maintenance schedule reduces recurrence. It represents good value for targeted stain removal, though it is not a substitute for comprehensive weekly pool chemistry or professional restoration for deep structural staining.

Frequently Asked Questions

How much does one quart treat for stains?
One quart treats up to 20,000 gallons when stains are present.

Can it be used on vinyl and masonry pools?
Yes, the formula is intended for both vinyl and masonry pool surfaces.

What is the maintenance dosing schedule?
Use 1 ounce per 5,000 gallons every two weeks to help prevent mineral-discolored water from returning.