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2. 7 Costco Black Friday Deals Under $100 - AOL

   www.aol.com/7-costco-black-friday-deals...

   Price: $74.99. Already cheap at Costco, some restaurant gift cards are an additional $5 off for Black Friday. ... Pure Enrichment Ultrasonic .75 G Humidifier. Price: $59.99. ... The Average ...

3. 9 Fall Deals at Costco You Won’t Find Anywhere Else - AOL

   www.aol.com/9-fall-deals-costco-won-120009054.html

   As any Costco member will tell you, this warehouse club has some great deals that are worth checking out this fall. Some of the best holiday savings deals will become available on Nov. 13 and ...

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   A BTU is the energy required to raise one pound of water by one degree Fahrenheit. A US gallon of water weighs 8.3 pounds (3.8 kg). To raise 230 L (60 US gal) of water from 10 °C (50 °F) to 50 °C (122 °F) at 90% efficiency requires 60 × 8.3 × (122 − 50) × 1.11 = 39,840 BTU. A 46 kW (157,000 BTU/h) heater, as might exist in a tankless ...

5. Aquarium heater - Wikipedia

   en.wikipedia.org/wiki/Aquarium_heater

   An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums. [1] Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 to 30 °C (72 to 86 °F). [1] [2] [3] The types include glass immersion heaters and undergravel heating. There are also heating mats that ...

6. Costco Membership Prices: Comparing the Perks, Fees and More

   www.aol.com/costco-membership-prices-comparing...

   Costco Membership Prices in 2023. Costco offers both personal memberships and business memberships, and its membership prices come in two tiers per category. Members can enroll in one of the ...

7. Shedd Aquarium - Wikipedia

   en.wikipedia.org/wiki/Shedd_Aquarium

   Shedd Aquarium (formally the John G. Shedd Aquarium) is an indoor public aquarium in Chicago. Opened on May 30, 1930, the 5 million US gal (19,000,000 L; 4,200,000 imp gal) aquarium holds about 32,000 animals and is the third largest aquarium in the Western Hemisphere , after the Georgia Aquarium and Monterey Bay Aquarium .