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Best selling products: Best
Aquarium Inline Heaters
Bestselling
Top Rated
1
Rank 1
Inkbird ITC-308 Digital Aquarium Heating and Cooling Dual Stage Temperature Controller
(6)
$26.47 New
$26.47 New
$20.00 Used
$20.00 Used
2
Rank 2
Mini Aquarium Heater 25w Small Fish Tank Heater 25 Watt With Thermometer
(6)
$10.10 New
$10.10 New
---- Used
No used products available
3
Rank 3
Interpet Life Thermal Submersible Aquarium Heater for 10-20 Gal Aquariums 100w
(1)
$12.50 New
$12.50 New
---- Used
No used products available
4
Rank 4
EHEIM Thermocontrol E300 Heater
$66.55 New
$66.55 New
---- Used
No used products available
5
Rank 5
Fluval M100 Submersible Glass Aquarium Heater 100 Watt Hagen A782
(7)
$26.94 New
$26.94 New
---- Used
No used products available
6
Rank 6
Top Fin Betta Tank Heater 20watts for Aquariums up to 2.5 Gallons
(7)
$9.99 New
$9.99 New
$9.00 Used
$9.00 Used
7
Rank 7
Fluval E Advanced Electronic Aquarium Heater 300 Watt - A774
(41)
$34.99 New
$34.99 New
$24.95 Used
$24.95 Used
8
Rank 8
JBJ JB03020 1/4HP Arctica Aquarium Chiller - DBE-200
(4)
$935.99 New
$935.99 New
$299.00 Used
$299.00 Used
9
Rank 9
Aquael Ultra Heater 50 Electronic Heater & Thermometer (120584)... S&H
(2)
$36.99 New
$36.99 New
---- Used
No used products available
10
Rank 10
Aqueon Pro 300W Aquarium Heater - 100532087
(15)
$24.99 New
$24.99 New
$13.00 Used
$13.00 Used
11
Rank 11
VEVOR Aquarium Chiller 92 Gal 348 L 1/4 HP Hydroponic Water Chiller Quiet Ref
$370.99 New
$370.99 New
---- Used
No used products available
12
Rank 12
EHEIM Jager TruTemp 300W Submersible Heater
(51)
$37.99 New
$37.99 New
$25.00 Used
$25.00 Used
13
Rank 13
Aqueon Submersible Aquarium Heater 150w up to 55 Gallon
(8)
$20.00 New
$20.00 New
---- Used
No used products available
14
Rank 14
EHEIM Jager Aquarium Thermostat Heater 125 Watts 125w
(3)
$33.99 New
$33.99 New
---- Used
No used products available
15
Rank 15
Aqueon Preset Heater 150w up to 55 Gallons 100106253
(13)
$14.99 New
$14.99 New
---- Used
No used products available
16
Rank 16
Aqueon Submersible Aquarium Heater 200w up to 75 Gallons
(7)
$29.99 New
$29.99 New
---- Used
No used products available
17
Rank 17
EHEIM Jager Aquarium Thermostat Heater 50w 50 Watt
(13)
$24.95 New
$24.95 New
$12.99 Used
$12.99 Used
18
Rank 18
Fluval Advanced Electronic Aquarium Heater E200 65 gal / 250 L A-773 Open Box
(3)
$56.99 New
$56.99 New
---- Used
No used products available
19
Rank 19
JBJ 1/10 HP Arctica Chiller - Titanium
(4)
$696.34 New
$696.34 New
$259.00 Used
$259.00 Used
20
Rank 20
EHEIM 3618 Jager Aquarium Thermostat Heater 250w
(21)
$37.49 New
$37.49 New
---- Used
No used products available
21
Rank 21
Tetra Ht55 Submersible Heater 40 to 55 Gallons 200w
(22)
$24.99 New
$24.99 New
$15.99 Used
$15.99 Used
22
Rank 22
EHEIM Thermocontrol E250 Heater Black Aeh3638090
$59.95 New
$59.95 New
---- Used
No used products available
23
Rank 23
EHEIM Jager Aquarium Thermostat Heater 200 Watts 2day Delivery
(15)
$36.99 New
$36.99 New
---- Used
No used products available
24
Rank 24
Topfin Top Fin Slim Betta Tank Heater Aquariums up to 5 Gallons 10 Watts
(3)
$13.50 New
$13.50 New
$10.49 Used
$10.49 Used
25
Rank 25
Cobalt Aquatic Neo Therm Pro Submersible Aquarium Heater 50 Watt
$60.00 New
$60.00 New
$19.99 Used
$19.99 Used
26
Rank 26
FLUVAL SUBMERSIBLE AQUARIUM HEATER P50 PRE-SET 50 WATT HAGEN A745
$25.00 New
$25.00 New
---- Used
No used products available
27
Rank 27
Marina Betta Submersible Aquarium Heater - 8 Watt A5
(69)
$9.50 New
$9.50 New
---- Used
No used products available
28
Rank 28
EHEIM Jager 100w Aquarium Heater 3614 up to 40gal
(15)
$26.99 New
$26.99 New
---- Used
No used products available
29
Rank 29
R467 Interpet Life Submersible Aquarium Heater Return Item
$12.95 New
$12.95 New
---- Used
No used products available
30
Rank 30
Fluval P25 Submersible Aquarium Heater for up to 6 Gallons 25 Watts
(3)
$16.49 New
$16.49 New
---- Used
No used products available
31
Rank 31
Aqueon Pro 150W Aquarium Heater - Black (100532085)
(7)
$22.99 New
$22.99 New
$18.00 Used
$18.00 Used
32
Rank 32
Aqueon Aqe06194 Mini Heater for Aquarium 10 Watt
(17)
$14.99 New
$14.99 New
---- Used
No used products available
33
Rank 33
Fluval M50 Submersible Glass Aquarium Heater 50 Watt
(16)
$19.99 New
$19.99 New
$10.00 Used
$10.00 Used
34
Rank 34
Aqueon 300w Submersible Aquarium Heater up to 100 Gallons
(12)
$21.56 New
$21.56 New
---- Used
No used products available
35
Rank 35
Aqueon 100532086 Pro Aquarium Heater
(12)
$22.99 New
$22.99 New
---- Used
No used products available
36
Rank 36
Oase Heatup 100 Watt Aquarium Heater Freshwater and Saltwater
$24.99 New
$24.99 New
---- Used
No used products available
37
Rank 37
EHEIM Thermocontrol E125 Heater Black Wattage 100w Aeh3635090
(1)
$49.99 New
$49.99 New
---- Used
No used products available
38
Rank 38
Tetra Ht30 Submersible Aquarium Heater 100-watt - 046798264460
(26)
$15.99 New
$15.99 New
$12.99 Used
$12.99 Used
39
Rank 39
FLUVAL M 200 watt Submersible Heater (Fluval)
(1)
$24.99 New
$24.99 New
$13.99 Used
$13.99 Used
40
Rank 40
Interpet Heater Flat Life Thermal 15w for up to 4 Gallon Aquariums
$9.99 New
$9.99 New
$5.00 Used
$5.00 Used
41
Rank 41
EHEIM Thermocontrol E150 Heater Black Wattage 125w Aeh3636090
(2)
$49.99 New
$49.99 New
---- Used
No used products available
42
Rank 42
Aquatop Titanium Heater With External Controller - 200w
$59.99 New
$59.99 New
---- Used
No used products available
43
Rank 43
Aquael 2 In 1 Ultra Aquarium Tank Heater 75 Watt -
(1)
$19.95 New
$19.95 New
$14.99 Used
$14.99 Used
44
Rank 44
Aquatop Titanium Heater With Controller - 400w
(5)
$116.99 New
$116.99 New
$56.05 Used
$56.05 Used
45
Rank 45
EHEIM Thermocontrol E200 Heater Black Wattage 200w Model Number Aeh3637090
$66.55 New
$66.55 New
---- Used
No used products available
46
Rank 46
Controller Unit Ice Probe Chiller Without Temperature up to 10 Gallons Aquarium 787461614273
(3)
$320.98 New
$320.98 New
---- Used
No used products available
47
Rank 47
Oase Heatup 25 Aquarium Heater
(1)
$28.99 New
$28.99 New
---- Used
No used products available
48
Rank 48
Hygger Aquarium Fish Tank Heater 300W HG043 Automatic Fresh or Salt Water
$89.79 New
$89.79 New
$59.95 Used
$59.95 Used
49
Rank 49
EHEIM Thermocontrol E50 Heater Wattage 50w Black
$39.99 New
$39.99 New
---- Used
No used products available
50
Rank 50
EHEIM Thermocontrol E - 75 W Aeh3633090
(2)
$48.50 New
$48.50 New
---- Used
No used products available
51
Rank 51
EHEIM Thermocontrol E100 Heater
$49.99 New
$49.99 New
---- Used
No used products available
52
Rank 52
Aquatop Titanium Heater With Controller 100 Watt 35gallon #6475
(2)
$62.95 New
$62.95 New
---- Used
No used products available
53
Rank 53
Aquatop Titanium Heater With Controller 300w Th-c300
$69.95 New
$69.95 New
---- Used
No used products available
54
Rank 54
AQUAEL ULTRA HEATER 25 for Aquariums
$27.98 New
$27.98 New
---- Used
No used products available
55
Rank 55
Aquatop 500w Titanium Aquarium Heater With Controller
(5)
$70.00 New
$70.00 New
$38.63 Used
$38.63 Used
56
Rank 56
Oase Heatup 150 Watt Aquarium Heater Freshwater and Saltwater
$41.93 New
$41.93 New
---- Used
No used products available
57
Rank 57
Interpet Submersible Aquarium Heater 200W For 30-50 Gallon Tanks 100543352
$17.89 New
$17.89 New
$12.97 Used
$12.97 Used
58
Rank 58
Tetra Ht10 Submersible Aquarium Heater (50-Watt)
(87)
$8.00 New
$8.00 New
$5.95 Used
$5.95 Used
59
Rank 59
Oase Heatup 50 Watt Aquarium Heater Freshwater and Saltwater
$37.65 New
$37.65 New
---- Used
No used products available
60
Rank 60
Oase Indoor Aquatics HeatUp 300 w holder & suction cups for 80 gal tanks. New.
$45.00 New
$45.00 New
---- Used
No used products available
61
Rank 61
Zoo Med Azmaa13 Aqua Cool Aquarium Cooling Fan (pp)
(7)
$27.92 New
$27.92 New
---- Used
No used products available
62
Rank 62
AquaClear 50 Watts Submersible Aquarium Heater Hagen A710
(2)
---- New
No new products available
---- Used
No used products available
63
Rank 63
GloFish Submersible Heater 50 Watts for Aquariums Up to 10 Gallons UL Listed
$22.95 New
$22.95 New
---- Used
No used products available
64
Rank 64
Top Fin 100 Watt Aquarium Heater Fits 10-20 Gallon Aquariums 5253137
(4)
$18.99 New
$18.99 New
$10.95 Used
$10.95 Used
65
Rank 65
Finnex STE Series Titanium Heater with Controller 800 watt - Open Box
$94.99 New
$94.99 New
---- Used
No used products available
66
Rank 66
Jolly 20 Watt Aquarium Heater - SICCE
(1)
$14.99 New
$14.99 New
---- Used
No used products available
67
Rank 67
Aquatop Gh300 Aquarium Submersible Glass Heater 300w Silver
(7)
$29.95 New
$29.95 New
---- Used
No used products available
68
Rank 68
FLUVAL E 100 watt Advanced Electronic Heater
(2)
$53.29 New
$53.29 New
---- Used
No used products available
69
Rank 69
Hagen Marina Submersible Heater for Aquarium 50w
(1)
$18.22 New
$18.22 New
---- Used
No used products available
70
Rank 70
ISTA I-h616 500w Inline External Heater
$48.90 New
$48.90 New
---- Used
No used products available
71
Rank 71
Top Fin Ch150 Compact Heater 150 Watts for 20-30 Gallons Fast
(2)
$13.99 New
$13.99 New
---- Used
No used products available
72
Rank 72
Fluval Submersible Heater P10 Pre-set 10 Watt Hagen A743
(2)
$16.99 New
$16.99 New
---- Used
No used products available
73
Rank 73
Marineland Visi-therm Submersible Aquarium Heater 100w Ml90640
(9)
$14.99 New
$14.99 New
---- Used
No used products available
74
Rank 74
Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 25 Watt Heats up to 5 Gallon Tank
(5)
$8.80 New
$8.80 New
---- Used
No used products available
75
Rank 75
STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex
$118.99 New
$118.99 New
---- Used
No used products available
76
Rank 76
Aquatop Aquarium Submersible Glass Heater 250w Gh250
(5)
$22.95 New
$22.95 New
---- Used
No used products available
77
Rank 77
Fluval M150 Submersible Glass Aquarium Heater 150 Watt
(5)
$34.99 New
$34.99 New
$17.99 Used
$17.99 Used
78
Rank 78
Elive Ready Set 150w Aquarium Heater Aquariums Fish
(1)
---- New
No new products available
---- Used
No used products available
79
Rank 79
Aquarium Heater 50w Mini Fish Tank Submersible LED Temperature Display
(4)
$16.34 New
$16.34 New
---- Used
No used products available
80
Rank 80
Finnex Digital Heater Controller Sensor HC-820M 3 Digit Display Control
---- New
No new products available
---- Used
No used products available
81
Rank 81
Zoo Med Laboratories MagClip Magnet Suction Cups 097612110012
(11)
$11.99 New
$11.99 New
---- Used
No used products available
82
Rank 82
Aquatop Aquarium Submersible Glass Heater 150w Gh150
(6)
$13.00 New
$13.00 New
---- Used
No used products available
83
Rank 83
Jolly 10 Watt Aquarium Heater - SICCE
(1)
$16.79 New
$16.79 New
---- Used
No used products available
84
Rank 84
Small Aquarium Heater Mini Betta Flat Fish Tank Heaters for 1 1.5 Gallon 10 Watt
(5)
$20.79 New
$20.79 New
---- Used
No used products available
85
Rank 85
Pulaco 25w Small Aquarium Betta Heater With Thermometer Strip Under 6 Gall
$13.21 New
$13.21 New
---- Used
No used products available
86
Rank 86
Boss Joe HX-50W Submersible Aquarium Heater 50 Watt - 5 - 15 Gallon Tank
$12.55 New
$12.55 New
---- Used
No used products available
87
Rank 87
Hygger 50w Aquarium Heater Betta Nano Tank Adjustable Intelligent
$23.79 New
$23.79 New
---- Used
No used products available
88
Rank 88
Penn Plax Cascade Heat Submersible Preset Fish Aquarium Heater 7" 50w CH850
(3)
$8.79 New
$8.79 New
---- Used
No used products available
89
Rank 89
STE 400W Digital Titanium Heater w/Guard UL (80-100 Gallon) - Finnex
$85.00 New
$85.00 New
---- Used
No used products available
90
Rank 90
Tetra Ht40 Submersible Aquarium Heater 150 Watt for 30 to 40 Gallons
(5)
$14.00 New
$14.00 New
$10.00 Used
$10.00 Used
91
Rank 91
FreeSea 50 Watt Aquarium Submersible Betta Heater 50watt for 5-15 Gallon Tank
$21.81 New
$21.81 New
---- Used
No used products available
92
Rank 92
Aquatop 100w Premier Glass Heater With Protective Guard
$30.95 New
$30.95 New
---- Used
No used products available
93
Rank 93
Tetra 30-60 Gal 200w Submersible Heater
(4)
---- New
No new products available
---- Used
No used products available
94
Rank 94
Aquatop Gh75 Aquarium Submersible Glass Heater 75 Watt
(2)
---- New
No new products available
---- Used
No used products available
95
Rank 95
Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 150 Watt
(5)
$18.00 New
$18.00 New
---- Used
No used products available
96
Rank 96
Sicce Scuba 200 Watt Aquarium Fish Tank Heater Preset at 77℉ for Up to 60
$42.99 New
$42.99 New
---- Used
No used products available
97
Rank 97
Aquatop Nano Aquarium Heater 15 W 4 Gal
(8)
---- New
No new products available
---- Used
No used products available
98
Rank 98
Lee's Pet Products Ale10530 2-card Heater Holders for Aquarium PUMPS
---- New
No new products available
---- Used
No used products available
99
Rank 99
Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 200 Watt
(10)
$34.16 New
$34.16 New
---- Used
No used products available
100
Rank 100
Aquael AAU123194 Platinium Heater - 25 W
$16.99 New
$16.99 New
---- Used
No used products available
