What Houston says
★★★★★ 4.8 (247)
★★★★★
"Switched from Leslie's after years. Same chlorine tabs, $50 cheaper per bucket. The team actually answers the phone."
Patricia M. · Memorial
★★★★★
"Bought 12 buckets in May and saved over $300 vs my old store. Same active ingredient, same %."
Jennifer K. · Sugar Land
★★★★★
"Tabs dissolve cleanly in my floater. Curbside pickup was ready when promised. Will reorder."
Marcus T. · Heights
Algaecides
Algaecide 10 (Weekly Preventive)
★★★★★ 4.8 (247) · In stock
$9.99 $15
Save $5.01
(33%) vs typical retail
Pack Size
Quantity
✓15% off applied
Subtotal · 12 × $9.99
Bulk discount (15%)
After discount
Shipping$25
Tax (8.25%)
Total
You save vs typical big-box pricing
Pick a date
Pick a time
Curbside · in 3 days · 2:00 PM
Free Returns
Professional Quality
Support Small Business
Same product. Stocked differently.
Typical big-box
$15
per 1 quart · same chemistry
- Pay full retail
- No bulk discount tiers
- No price-match guarantee
Longhorn · single
$9.99
per 1 quart · same chemistry
- ✓ 33% off retail
- ✓ Price-match promise
- ✓ Free Houston curbside
Longhorn · 12-pack
$8.00
per 1 quart effective · 15% bulk tier
- ✓ 47% below retail
- ✓ Full season's supply
- ✓ Stack +10% with Subscribe
Specifications
- Active ingredient
- Quaternary ammonium
- Concentration
- 10%
- Type
- Quaternary ammonium
- Pack size
- 1 quart
- SKU
- LH-ALG10-Q
About this product
Budget-friendly weekly preventive. Can foam at higher doses — keep to label directions.
Safety & handling
⚠ Warning
Regulated pool chemical. Read and follow all label directions. Wear gloves and eye protection. Never mix with other pool chemicals. Keep out of reach of children and pets.
Storage
Store in the original sealed container, in a cool dry well-ventilated area, away from incompatible chemicals. Keep out of direct sunlight.