Aquarium Heater

How many watts do I *really* need (aquarium heater)?
I have been looking around for Aquarium Heaters before actual winter hits, after mine stopped working. I noticed that some brands say a 20 gallon tank needs 100 watts, while others say 50 watts.
How many watts would my twenty gallon tank really need?
the ballpark is 5 watts per gallon, so a 20 gallon needs a 100 watt heater … i have used that ballpark in 6 tanks with four different brands of heaters and all tanks remain at a constant temp …
Marineland Stealth Pro Aquarium Heater Product Review
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Hydrofarm MTPRTC Digital Thermostat For Heat Mats $27.89 Hydrofarm MTPRTC Electronic Heat Mat Temperature ControllerHydrofarm MTPRTC Electronic Heat Mat Temperature Controller Features:; Electronic temperature controller for heat mats; Provides constant optimum temperatures for specific crops; Controls temperature in colder or warmer environments; Compatible with all heat mats; Optional for Hydrofarm Seedling Heat Mats; Illuminated indicator light; Thre… |
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Sierra Tools JB5684 Battery Operated Liquid Transfer Pump $7.99 PUMPS GAS, WATER, OIL, AND OTHER NON CORROSIVE LIQUIDS. USE IN GARAGE, AQUARIUMS, BASEMENT, BATHROOM, SHOPS AND THE YARD. PUMPS 5 TO 6 QUARTS OF LIQUID PER MINUTE!Number of Pieces: 1Material: PlasticWarranty Description: 1 Year Limited Manufacturer WarrantyDimensions: Length: 23.5 “; Width: 1.77 “; Depth: 4.13 “Product Weight: 0.5 Lb…. |
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Sierra Tools Battery-Operated Liquid Transfer Pump, Model# JB5684 $11.99 This battery-operated liquid transfer pump can pump 5-6 quarts of liquid a minute, making it an ideal choice when standard power is unavailable. Can pump gas, water, oil and other non-corrosive liquids. Can be used in garage, basements, bathrooms, shop, yard, aquariums and more. Uses 2 D-cell batteries (not included). Flow (GPM): 1, Dimensions L x W x H (in.): 25 1/4 x 3 3/4 x 2… |
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Lasko 1128 9-Gallon Evaporative Recirculating Humidifier $59.99 Description:The 9.0-gallon Recirculating Humidifier offers contemporary styling and efficient humidification up to 3,200 square feet, making it ideal for multiple rooms and large living areas.Features: 9.0-Gallon Output per Day (4.5-Gallon Water Capacity) Easy-to-Fill, Removable Water Reservoir with Dual Handles Adjustable Humidistat for Personalized Comfort Patented, Cascading Waterfall Shows it’… |
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Eight in One Products M6104 Kookamunga Catnip Spray 4oz $2.45 Kookamunga Catnip Spray. Making cats happy all over!! All natural catnip extract to produce an aromatic scent that will make your cat go Kookamunga!… |