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4-Way Reagent Test Kit
In stock
· Ships in 1 business day
$19 $30
Save $11
(37%) vs typical retail
Pack Size
Quantity
✓15% off applied
Subtotal · 12 × $19
Bulk Discount (15%)
After Discount
Shipping$25
Tax (8.25%)
Total
You save vs typical big-box pricing
Ship to Home
Free shipping on orders $200+
Curbside at Houston Warehouse
123 Main St · Always free · Open 7 days, 9 AM – 6 PM
Pick your date & time at checkout.
Free Returns
Professional Quality
Support Small Business
12 1 kit 15% OFF
Total
Same product. Stocked differently.
Typical big-box
$30
per 1 kit · same chemistry
- Pay full retail
- No bulk discount tiers
- No price-match guarantee
Longhorn · single
$19
per 1 kit · same chemistry
- ✓ 37% off retail
- ✓ Price-match promise
- ✓ Free Houston curbside
Longhorn · 12-pack
$16
per 1 kit effective · 15% bulk tier
- ✓ 47% below retail
- ✓ Full season's supply
- ✓ Stack +10% with Subscribe
Specifications
- Active Ingredient
- DPD + phenol red + drop-count TA reagents
- Type
- Reagent kits
- Pack Size
- 1 kit
- SKU
- LH-TK4
About This Product
Drop-count reagent kit — more accurate than strips for chlorine, pH, and alkalinity.
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.