• Fish
  • Water Care

Betta Fish Water Care

(1 - 36 of 58 results)

Betta
Water Conditioners Algaecides & Water Clarity Water Test Kits pH Treatments Plant Care Salt & Minerals
API Stress Coat Aquarium Water Conditioner, 16-oz bottle More Choices Available

API Stress Coat Aquarium Water Conditioner, 16-oz bottle

$7.68 Autoship & Save

$8.08 $12.59

103

FREE 1-3 day shipping over $49

USD
API Stress Coat Aquarium Water Conditioner, 16-oz bottle
94494
API
911
8.08
1
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Freshwater Aquarium Master Test Kit, 800 count

API Freshwater Aquarium Master Test Kit, 800 count

$23.36 Autoship & Save

$24.59 $34.99

115

FREE 1-3 day shipping over $49

USD
API Freshwater Aquarium Master Test Kit, 800 count
94353
API
912
24.59
2
800 count
false
{ "deal": false, "strike": false, "greenbar": false }
API Tap Water Conditioner, 16-oz bottle More Choices Available

API Tap Water Conditioner, 16-oz bottle

$6.30 Autoship & Save

$6.63 $9.79

36

FREE 1-3 day shipping over $49

USD
API Tap Water Conditioner, 16-oz bottle
94520
API
911
6.63
3
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Freshwater Aquarium Salt, 65-oz carton More Choices Available

API Freshwater Aquarium Salt, 65-oz carton

$6.51 Autoship & Save

$6.85 $12.89

44

FREE 1-3 day shipping over $49

USD
API Freshwater Aquarium Salt, 65-oz carton
94279
API
910
6.85
4
65-oz carton
false
{ "deal": false, "strike": false, "greenbar": false }
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-oz bottle More Choices Available

API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-oz bottle

$7.68 Autoship & Save

$8.08 $18.99

41

FREE 1-3 day shipping over $49

USD
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-oz bottle
94508
API
911
8.08
5
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle More Choices Available

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

$7.40 Autoship & Save

$7.79 $11.19

42

FREE 1-3 day shipping over $49

USD
API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle
94268
API
907
7.79
6
8-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-oz bottle More Choices Available

API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-oz bottle

$7.77 Autoship & Save

$8.18 $22.39

17

FREE 1-3 day shipping over $49

USD
API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-oz bottle
94457
API
911
8.18
7
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Algaefix Algae Control Aquarium Solution, 16-oz bottle More Choices Available

API Algaefix Algae Control Aquarium Solution, 16-oz bottle

$10.21 Autoship & Save

$10.75 $19.59

51

FREE 1-3 day shipping over $49

USD
API Algaefix Algae Control Aquarium Solution, 16-oz bottle
94284
API
907
10.75
8
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 count More Choices Available

API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 count

$7.78 Autoship & Save

$8.19 $14.99

28

FREE 1-3 day shipping over $49

USD
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 count
94254
API
912
8.19
9
25 count
false
{ "deal": false, "strike": false, "greenbar": false }
Aqueon Betta Bowl Plus Water Conditioner, 4-oz bottle
Deal

Aqueon Betta Bowl Plus Water Conditioner, 4-oz bottle

Spend $50 Save 25% On Select Items

$4.27 Autoship & Save

$4.49 $5.99

21

FREE 1-3 day shipping over $49

USD
Aqueon Betta Bowl Plus Water Conditioner, 4-oz bottle
103488
Aqueon
911
4.49
10
4-oz bottle
false
{ "deal": true, "strike": false, "greenbar": false }
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count More Choices Available

Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count

$16.24 Autoship & Save

$17.10

40

FREE 1-3 day shipping over $49

USD
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count
98107
Tetra
912
17.10
11
100 count
false
{ "deal": false, "strike": false, "greenbar": false }
Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 33.8-oz bottle

Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 33.8-oz bottle

$4.28 Autoship & Save

$4.50

7

FREE 1-3 day shipping over $49

USD
Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 33.8-oz bottle
135636
Activ-Betta
911
4.50
12
false
{ "deal": false, "strike": false, "greenbar": false }
API Leaf Zone Freshwater Aquarium Plant Fertilizer, 16-oz bottle More Choices Available

API Leaf Zone Freshwater Aquarium Plant Fertilizer, 16-oz bottle

$6.64 Autoship & Save

$6.99 $9.79

12

FREE 1-3 day shipping over $49

USD
API Leaf Zone Freshwater Aquarium Plant Fertilizer, 16-oz bottle
94383
API
909
6.99
13
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle More Choices Available

API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle

$8.37 Autoship & Save

$8.81 $14.39

11

FREE 1-3 day shipping over $49

USD
API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle
94263
API
911
8.81
14
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

$8.29 Autoship & Save

$8.73 $12.59

10

FREE 1-3 day shipping over $49

USD
API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle
94439
API
908
8.73
15
8.8-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API CO2 Booster Freshwater Aquarium Plant Care Treatment, 16-oz bottle More Choices Available

API CO2 Booster Freshwater Aquarium Plant Care Treatment, 16-oz bottle

$10.44 Autoship & Save

$10.99 $15.39

10

FREE 1-3 day shipping over $49

USD
API CO2 Booster Freshwater Aquarium Plant Care Treatment, 16-oz bottle
94322
API
909
10.99
16
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API pH Up Freshwater Aquarium Water Treatment, 16-oz bottle More Choices Available

API pH Up Freshwater Aquarium Water Treatment, 16-oz bottle

$15.95 Autoship & Save

$16.79

6

FREE 1-3 day shipping over $49

USD
API pH Up Freshwater Aquarium Water Treatment, 16-oz bottle
94421
API
908
16.79
17
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
Tetra WaterClarifier Cloudy Water Clarifier, 3.38-oz bottle

Tetra WaterClarifier Cloudy Water Clarifier, 3.38-oz bottle

$4.74 Autoship & Save

$4.99

6

FREE 1-3 day shipping over $49

USD
Tetra WaterClarifier Cloudy Water Clarifier, 3.38-oz bottle
98390
Tetra
907
4.99
18
3.38-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API pH Down Freshwater Aquarium Water Treatment, 16-oz bottle More Choices Available

API pH Down Freshwater Aquarium Water Treatment, 16-oz bottle

$11.39 Autoship & Save

$11.99 $16.79

8

FREE 1-3 day shipping over $49

USD
API pH Down Freshwater Aquarium Water Treatment, 16-oz bottle
94417
API
908
11.99
19
16-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
Tetra AquaSafe Aquarium Water Conditioner, 1.69-oz bottle
Deal

Tetra AquaSafe Aquarium Water Conditioner, 1.69-oz bottle

Spend $50 Save 25% On Select Items

$2.64 Autoship & Save

$2.78

14

FREE 1-3 day shipping over $49

USD
Tetra AquaSafe Aquarium Water Conditioner, 1.69-oz bottle
98098
Tetra
911
2.78
20
1.69-oz bottle
false
{ "deal": true, "strike": false, "greenbar": false }
API pH Freshwater Aquarium Test Kit, 250 count

API pH Freshwater Aquarium Test Kit, 250 count

$4.95 Autoship & Save

$5.21 $9.19

15

FREE 1-3 day shipping over $49

USD
API pH Freshwater Aquarium Test Kit, 250 count
94358
API
912
5.21
21
250-count
false
{ "deal": false, "strike": false, "greenbar": false }
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

$8.41 Autoship & Save

$8.85 $16.00

6

FREE 1-3 day shipping over $49

USD
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
94369
API
912
8.85
22
90 count
false
{ "deal": false, "strike": false, "greenbar": false }
API Tap Water Conditioner Aquarium Water Conditioner, 32-oz bottle More Choices Available

API Tap Water Conditioner Aquarium Water Conditioner, 32-oz bottle

$16.14 Autoship & Save

$16.99 $19.99

4

FREE 1-3 day shipping over $49

USD
API Tap Water Conditioner Aquarium Water Conditioner, 32-oz bottle
165880
API
911
16.99
23
32-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Betta Aquarium Water Conditioner, 1.7-oz bottle

API Betta Aquarium Water Conditioner, 1.7-oz bottle

$2.92 Autoship & Save

$3.07 $5.00

10

FREE 1-3 day shipping over $49

USD
API Betta Aquarium Water Conditioner, 1.7-oz bottle
94287
API
911
3.07
24
1.7-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
Acurel F Aquarium Water Clarifier, 50-mL bottle More Choices Available

Acurel F Aquarium Water Clarifier, 50-mL bottle

$8.97 $9.99

27

FREE 1-3 day shipping over $49

USD
Acurel F Aquarium Water Clarifier, 50-mL bottle
141420
Acurel
907
8.97
25
50-mL bottle
false
{ "deal": false, "strike": false, "greenbar": false }
Fluval Plant & Shrimp Stratum Plant Care, 17.6-lb bag More Choices Available

Fluval Plant & Shrimp Stratum Plant Care, 17.6-lb bag

$37.52 Autoship & Save

$39.49 $53.99

14

FREE 1-3 day shipping over $49

USD
Fluval Plant & Shrimp Stratum Plant Care, 17.6-lb bag
97574
Fluval
909
39.49
26
17.6-lb bag
false
{ "deal": false, "strike": false, "greenbar": false }
API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 count

API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 count

$16.33 Autoship & Save

$17.19

7

FREE 1-3 day shipping over $49

USD
API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 count
94371
API
912
17.19
27
150 count
false
{ "deal": false, "strike": false, "greenbar": false }
API Aquarium Water Conditioner & Tropical Fish Food Kit

API Aquarium Water Conditioner & Tropical Fish Food Kit

$12.27 Autoship & Save

$12.92 $39.59

2

FREE 1-3 day shipping over $49

USD
API Aquarium Water Conditioner & Tropical Fish Food Kit
141786
API
912
12.92
28
false
{ "deal": false, "strike": false, "greenbar": false }
API Ammonia NH3/NH4 Freshwater & Saltwater Aquarium Test Strips, 25 count

API Ammonia NH3/NH4 Freshwater & Saltwater Aquarium Test Strips, 25 count

$8.74 Autoship & Save

$9.20 $19.99

2

FREE 1-3 day shipping over $49

USD
API Ammonia NH3/NH4 Freshwater & Saltwater Aquarium Test Strips, 25 count
94269
API
912
9.20
29
25 count
false
{ "deal": false, "strike": false, "greenbar": false }
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count

API pH Freshwater Aquarium Test & Adjuster Kit, 250 count

$8.47 Autoship & Save

$8.92 $15.39

3

FREE 1-3 day shipping over $49

USD
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
94345
API
912
8.92
30
250 count
false
{ "deal": false, "strike": false, "greenbar": false }
API Root Tabs Aquarium Plant Fertilizer, 10-count

API Root Tabs Aquarium Plant Fertilizer, 10-count

$8.11 Autoship & Save

$8.54 $12.59

4

FREE 1-3 day shipping over $49

USD
API Root Tabs Aquarium Plant Fertilizer, 10-count
94469
API
909
8.54
31
10-count
false
{ "deal": false, "strike": false, "greenbar": false }
EcoBio-Block EcoBio-Stone Nano Natural Water Clarifier and Odor Remover, 2 count More Choices Available

EcoBio-Block EcoBio-Stone Nano Natural Water Clarifier and Odor Remover, 2 count

$17.09 Autoship & Save

$17.99

4

FREE 1-3 day shipping over $49

USD
EcoBio-Block EcoBio-Stone Nano Natural Water Clarifier and Odor Remover, 2 count
163962
EcoBio-Block
907
17.99
32
2 count
false
{ "deal": false, "strike": false, "greenbar": false }
API Betta Aquarium Water Care, 31-oz bottle

API Betta Aquarium Water Care, 31-oz bottle

$4.74 Autoship & Save

$4.99 $6.00

1

FREE 1-3 day shipping over $49

USD
API Betta Aquarium Water Care, 31-oz bottle
205074
API
907
4.99
33
false
{ "deal": false, "strike": false, "greenbar": false }
Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 8-oz bottle More Choices Available

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 8-oz bottle

$28.45 Autoship & Save

$29.95

26

FREE 1-3 day shipping over $49

USD
Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 8-oz bottle
104563
Dr. Tim's Aquatics
911
29.95
34
8-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
API Stress Zyme Freshwater And Saltwater Aquarium Cleaning Solution, 32-oz bottle

API Stress Zyme Freshwater And Saltwater Aquarium Cleaning Solution, 32-oz bottle

$27.45 Autoship & Save

$28.89 $34.99

1

FREE 1-3 day shipping over $49

USD
API Stress Zyme Freshwater And Saltwater Aquarium Cleaning Solution, 32-oz bottle
165878
API
911
28.89
35
32-oz bottle
false
{ "deal": false, "strike": false, "greenbar": false }
Tetra BettaSafe Starter Kit Water Conditioner, 8 count

Tetra BettaSafe Starter Kit Water Conditioner, 8 count

$1.80 Autoship & Save

$1.89

5

FREE 1-3 day shipping over $49

USD
Tetra BettaSafe Starter Kit Water Conditioner, 8 count
98309
Tetra
908
1.89
36
8-count
false
{ "deal": false, "strike": false, "greenbar": false }
  • Prev
  • 1
  • 2
  • Next

Filter by:

Categories

  • Water Conditioners (23)
  • Algaecides & Water Clarity (7)
  • Water Test Kits (18)
  • pH Treatments (4)
  • Plant Care (4)
  • Salt & Minerals (2)

Autoship & Save Eligible

  • true (50)

Brand

  • Activ-Betta (1)
  • Acurel (1)
  • API (37)
  • Aqueon (1)
  • Dr. Tim's Aquatics (4)
  • EcoBio-Block (1)
  • Fluval (1)
  • Hagen (2)
  • HM Digital (1)
  • Marina (1)
  • N/A (37)
  • Nature's Ocean (1)
  • Ruby Reef (4)
  • Tetra (5)
  • Zoo Med (1)

Fish Type

  • Marine Fish (128)
  • Tropical Freshwater (127)
  • Koi & Pond Fish (63)
  • Betta (58)
  • Goldfish (56)
  • Cichlid (51)
  • Marine Invertebrate (33)
  • Bottom Feeder (30)
  • Discus (2)

Aquarium Type

  • Freshwater (52)
  • Saltwater (26)
  • Pond (2)

Price

  • Less than $10
  • $10 to $20
  • $20 to $30
  • $30 to $40
  • $50 & Above

Customer Rating

  • & up (44)
  • & up (48)
  • & up (51)
  • & up (51)