Natural Chemistry
Natural Chemistry Stain Free Extra Strength Ascorbic Acid
Best solution for pool owners struggling with stubborn metal stains.
Tackle stubborn metal stains in your pool with Natural Chemistry Stain Free Extra Strength. This powerful, 100% ascorbic acid formula is designed for tough jobs, safely removing unsightly marks from pool liners and finishes. Its quick-acting granular form dissolves easily and is compatible with all pool sanitizing systems, ensuring it won't disrupt your water balance. Keep your pool looking pristine with this effective and easy-to-use stain remover.
$38.95
Owner Satisfaction
4.7
/ 5
Category Rank
3
/ 1283
#3 in Pool Cleaners & Chemicals
Price vs Category Average
-43%
Below average
Net Weight
1.75
/ LB
Who it's for
- Busy pool maintainers needing rapid results for unsightly stains
- Pool owners dealing with stubborn rust or copper discoloration
- Homeowners worried about damaging delicate vinyl or fiberglass surfaces
Who should skip it
- Pool owners uncomfortable with manual chemical rebalancing procedures
- Users seeking a permanent solution to ongoing metal contamination
- Safety-conscious owners concerned about temporary drops in chlorine sanitation
Performance breakdown
Stain removal potency
Pure ascorbic acid concentration makes short work of stubborn metal oxidation.
Surface safety
Gentle on vinyl and fiberglass while remaining aggressive against unsightly marks.
Dissolution speed
Granular formula breaks down quickly to begin treatment without lingering residue.
System compatibility
Works seamlessly alongside all standard pool sanitizing systems without chemical conflict.
Application ease
Straightforward dosing makes this a manageable task for any pool owner.
Water balance impact
Requires careful monitoring of pH levels during the active treatment phase.
Key Specs
Net Weight
1.75 LB
Active Ingredient
100% Ascorbic Acid
Form
Granular formula
MFG #
07395
UPC
717108073958
Compatibility
Compatible with all sanitizing systems
Chemical Purpose
Stain Remover
Product Form
Granular
Features
- Extra strength for tough metal stains
- Safely removes stains from liners and finishes
- Quickly resolves stubborn staining
- Compatible with all pool sanitizers
- Premium 100% ascorbic acid
- Easy-to-use granular form
What customers say
Consumers consistently praise the exceptional quality and reliability of this stain remover. The overwhelming sentiment highlights its remarkable effectiveness in tackling tough metal stains, often achieving visible results overnight. Users appreciate the straightforward application process, making pool maintenance surprisingly easy. While the initial cost is noted, the product delivers significant value by restoring pool surfaces without requiring complex, multi step treatments, establishing it as a highly trusted solution.
Know before you buy
Natural Chemistry Stain Free is specifically formulated for vinyl liner and fiberglass pools. It is highly effective at lifting metal stains from these surfaces without causing damage.
While it is compatible with all sanitizing systems, it is important to note that this product is not pH neutral. You should test and balance your pool water chemistry after the treatment process is complete.
Because this is an extra-strength, 100% ascorbic acid formula, it is designed to act quickly. Most users notice a significant improvement in stain reduction shortly after the granular formula has fully dissolved and circulated.
Yes, this product is fully compatible with all pool sanitizing systems, including chlorine, salt water, and bromine. It will not interfere with your sanitizer's ability to keep the water clean.
For the best results, it is recommended to distribute the granules evenly across the affected areas. Brushing can help the ascorbic acid interact more effectively with stubborn, set-in metal stains on the pool finish.
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Ask Hayley anything about this product before you decide.
Ready to buy?
$39