First Pools USA
Shop high-quality pool supplies, equipment, and chemicals at our online store. Serving McAllen, South Padre Island, Brownsville, and the RGV since 2018. We offer pool construction, repairs, cleaning, replastering services, and financing options. Satisfaction guaranteed!
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Featured products
Popular right now
Refresh 50 lb. Bucket 68% Calcium Hypochlorite Granules( LOC
USD 219.00
Pentair 1oz Bottle # 2 Replacement Solution
USD 3.89
Pentair OTO 1oz Bottle #1 Replacement Solutions
USD 5.00
Pentair 16oz Bottle OTO #1 Replacement Solution
USD 17.99
REFRESH 25 lb. Bucket 68% Calcium HypoChlorineite Granules
USD 153.89
REFRESH 100 lb. Bucket 68% Calcium Hypochlorite Granular( LO
USD 389.00
HASA 1 Gallon Liquid Chlorine - Local Delivery Only
USD 10.19
HASA Gallon of Muriatic Acid - Local Delivery Only
USD 13.42
REGAL CHEMICALS 25 lb. Bucket Dy-Chlor II Sanitizer Granules
USD 145.99
AQUASALT 40 lb. Bag Salt (LOCAL DELIVERIES ONLY)
USD 12.99
DE 25 lb. Bag Diatomaceous Earth Powder (LOCAL DELIVERY ONLY
USD 33.99
50 lb. Sodium Bicarbonate (LOCAL DELIVERY ONLY)
USD 47.78
DE 36 Sq. Ft. Universal Grid Set
USD 183.99
DE 48 SQ. Ft. Universal Grid Set
USD 221.99
Super-Pro 11" x 30" 60 SqFt Universal DE Grid Set 8 per Box
USD 272.99
"D" Type Pool Filter Cartridges, 2-Pack
USD 11.99
WHISPER - Seal Assembly Kit (Store SKU)
USD 21.63
BUNA 70 O-Ring #238 3.84"x.139"
USD 4.93
WHISPER 5/8"Service Seal Assembly
USD 7.32
PENTAIR Whisper Seal Plate Gasket
USD 9.89
PENTAIR .5" NPT x Tube 90 Degree Elbow Fitting
USD 10.89
TAYLOR .75 oz. Thiosulfate N/10 Dropper Bottle
USD 5.89
3/4" x 20' SCH40 Bell End PVC Pipe (LOCAL DELIVERY ONLY)
USD 12.89
WESTLAKE PIPE & FITTINGS 1.5" White Slip X FPT SCH40 PVC Fem
USD 2.89