EXTRA 20% OFF thousands of items with: SAVE20 thru 10/13, see terms >

Shop deals by pet

Additional Savings

(41 results)
Seachem® Prime® Aquarium Water Conditioner
4 sizes

Seachem® Prime® Aquarium Water Conditioner

(363)
$3.79 - $16.69
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(190)
$3.99 - $8.39
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Purigen® Premium Synthetic Absorbent
2 sizes

Seachem® Purigen® Premium Synthetic Absorbent

(54)
$9.19 - $15.79
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 3 more
Seachem® Flourish Excel™

Seachem® Flourish Excel™

(10)
$7.89
$11.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Matrix™
3 sizes

Seachem® Matrix™

(20)
$5.29 - $35.09
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 3 more
Seachem® Clarity™

Seachem® Clarity™

(16)
$8.69
$14.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Stability®
2 sizes

Seachem® Stability®

(8)
$48.19 - $77.09
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Prime®
2 sizes

Seachem® Prime®

(5)
$52.19 - $88.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Strontium™

Seachem® Reef Strontium™

(0)
$7.03
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Iodide™
2 sizes

Seachem® Reef Iodide™

(0)
$8.39 - $10.19
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Advantage Magnesium™
2 sizes

Seachem® Reef Advantage Magnesium™

(0)
$6.09 - $22.79
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Plus™
2 sizes

Seachem® Reef Plus™

(0)
$7.29 - $10.69
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Buffer™
2 sizes

Seachem® Reef Buffer™

(0)
$7.19 - $21.00
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Fusion 2™
2 sizes

Seachem® Reef Fusion 2™

(0)
$8.59 - $20.19
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Fusion 1™
2 sizes

Seachem® Reef Fusion 1™

(0)
$8.59 - $12.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Status Calcium Kit

Seachem® Reef Status Calcium Kit

(0)
$34.49
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Carbonate™
2 sizes

Seachem® Reef Carbonate™

(0)
$6.39 - $6.89
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
SeaChem Reef Complete Marine Care

SeaChem Reef Complete Marine Care

(0)
$7.09
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® PhosGuard™

Seachem® PhosGuard™

(3)
$4.89
$7.69
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 3 more
Seachem® Matrix Carbon™

Seachem® Matrix Carbon™

(0)
$6.07
$9.99
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem Flourish Potassium™

Seachem Flourish Potassium™

(6)
$9.49
$11.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Purigen®

Seachem® Purigen®

(10)
$57.19
$115.31
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Flourish Excel™
2 sizes

Seachem® Flourish Excel™

(2)
$36.19 - $66.70
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Flourish®

Seachem® Flourish®

(4)
$39.89
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Phosguard™
2 sizes

Seachem® Phosguard™

(4)
$32.30 - $60.39
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Cichlid Lake Salt™

Seachem® Cichlid Lake Salt™

(0)
$23.89
$41.06
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal™ 75 Zeolite Filter Pouch

Seachem® Tidal™ 75 Zeolite Filter Pouch

(0)
$8.19
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Tidal™ 110 MatrixCarbon

Seachem® Tidal™ 110 MatrixCarbon

(0)
$17.59
$20.99
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Tidal™ 75 Matrix Carbon

Seachem® Tidal™ 75 Matrix Carbon

(0)
$10.19
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Tidal Matrix™

Seachem® Tidal Matrix™

(0)
$7.69
$12.29
Extra 20% off online only with code SAVE20, see terms
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal Matrix™

Seachem® Tidal Matrix™

(2)
$7.69
$11.29
Extra 20% off online only with code SAVE20, see terms
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal ™

Seachem® Tidal ™

(0)
$8.39
$16.88
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Tidal ™

Seachem® Tidal ™

(0)
$6.99
$10.99
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Tidal ™

Seachem® Tidal ™

(0)
$9.99
$11.69
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Marine Buffer™

Seachem® Marine Buffer™

(0)
$23.19
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Reef Complete™

Seachem® Reef Complete™

(0)
$10.59
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal™ Zeolite

Seachem® Tidal™ Zeolite

(0)
$13.49
$14.99
Buy 1 Get the 2nd 50% Media
Extra 20% off online only with code SAVE20, see terms
+ 2 more
Seachem® Marine Buffer

Seachem® Marine Buffer

(2)
$9.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Flourish® Freshwater Aquarium Comprehensive Plant Supplement

Seachem® Flourish® Freshwater Aquarium Comprehensive Plant Supplement

(49)
$6.59 - $11.39
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Alert Combo™ Aquarium pH & Ammonia Detector

Seachem® Alert Combo™ Aquarium pH & Ammonia Detector

(76)
$15.49
$18.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
  2. 1
  3. 2
Legit ScriptDot Pharmacy
Download on the App StoreDownload on the Google Play Store
Copyright © 2025 Petsmart LLC
RecallsTerms of UsePrivacy PolicyInterest-Based AdsCA Supply Chain ActCA Privacy RightsYour Privacy ChoicesPrivacy IconFS
*See offer details. Exclusions may apply. Prices & selection may vary by store & online.