item: 5217430 By Marineland

Marineland® Visi-Therm Submersible Aquarium Heater

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Save 5% on purchases under $99.99 and 10% on purchases of $100 or more when you buy online and pickup in-store. Offer valid online only. Transaction total is prior to taxes & after discounts are applied. Offer valid on select merchandise when choosing In-Store Pickup. Savings will automatically reflect in the shopping cart with the purchase of qualifying merchandise. Maximum value $150. Offer not valid on gift cards, gift certificates, previous purchases, charitable donations, veterinary diet, RX medications or vaccines and may exclude all or select items from the following brands: Advantage®, API®, AquaClear®, Aqueon®, AvoDerm®, Blue Buffalo®, CatMouse, Cesar®, Comfort Zone®, Chuckit!®, Dog MD™, Eukanuba®, Fluval®, FRONTLINE®, FURminator®, Greenies®, Grreat Choice®, High Tech Pet®, Hill’s® Ideal Balance™, IRIS, Hill’s® Science Diet®, Hill’s® Prescription Diet®, iFamCare™, Jackson Galaxy, JW Pets, K9 advantix®, KAYTEE®, KONG®, Kurgo®, Majestic Pet, Marineland®, MidWest Homes for Pets, Muse®, Natural Balance®, NATURE'S RECIPE®, Nature’s Variety®, NaturVet®, Nulo, Nutro™, Nutro™ Max®, Nutro™ Ultra™, Old Mother Hubbard, Omega™ One, Oxbow, Pedigree®, Pendleton, Pet Gear, Petmate, PetSafe®, Pioneer Pet, Precision Pet, PureBites®, Purina® Pro Plan®, Redbarn, Royal Canin®, Sentry®, Simple Solution, Solvit, Snoozer, Sunbeam®, Super Pet®, Temptations™, Tetra®, Thundershirt, Trixie Pet, Vittle Vault, Wellness®, World's Best Cat Litter, XPOWER, Zuke's®. Offer may not be combined with other promotional offers or discounts. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Offer valid on PetSmart.com through December 21, 2018 @ 6:30 pm EST.

Save up to 10% Buy Online, Pickup In-Store

Save 5% on purchases under $99.99 and 10% on purchases of $100 or more when you buy online and pickup in-store. Offer valid online only. Transaction total is prior to taxes & after discounts are applied. Offer valid on select merchandise when choosing In-Store Pickup. Savings will automatically reflect in the shopping cart with the purchase of qualifying merchandise. Maximum value $150. Offer not valid on gift cards, gift certificates, previous purchases, charitable donations, veterinary diet, RX medications or vaccines and may exclude all or select items from the following brands: Advantage®, API®, AquaClear®, Aqueon®, AvoDerm®, Blue Buffalo®, CatMouse, Cesar®, Comfort Zone®, Chuckit!®, Dog MD™, Eukanuba®, Fluval®, FRONTLINE®, FURminator®, Greenies®, Grreat Choice®, High Tech Pet®, Hill’s® Ideal Balance™, IRIS, Hill’s® Science Diet®, Hill’s® Prescription Diet®, iFamCare™, Jackson Galaxy, JW Pets, K9 advantix®, KAYTEE®, KONG®, Kurgo®, Majestic Pet, Marineland®, MidWest Homes for Pets, Muse®, Natural Balance®, NATURE'S RECIPE®, Nature’s Variety®, NaturVet®, Nulo, Nutro™, Nutro™ Max®, Nutro™ Ultra™, Old Mother Hubbard, Omega™ One, Oxbow, Pedigree®, Pendleton, Pet Gear, Petmate, PetSafe®, Pioneer Pet, Precision Pet, PureBites®, Purina® Pro Plan®, Redbarn, Royal Canin®, Sentry®, Simple Solution, Solvit, Snoozer, Sunbeam®, Super Pet®, Temptations™, Tetra®, Thundershirt, Trixie Pet, Vittle Vault, Wellness®, World's Best Cat Litter, XPOWER, Zuke's®. Offer may not be combined with other promotional offers or discounts. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Offer valid on PetSmart.com through December 21, 2018 @ 6:30 pm EST.

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The Marineland Visi-Therm Submersible Heater is an advanced-compact design, double sealed submersible aquarium heater. The Visi-Therm features a water calibrated thermostat is certified accurate to within one degree, ensuring precise temperature selection and superior performance. It also delivers the ultimate in direct-set control, with a simple "click" of the dial; you choose the ideal water temperature. Meanwhile, its durable design is held to exacting standards for accuracy, extended submersion and operational safety.

Features: Double sealed
Includes: 2 Heater with instructions
Dimensions: Box Dimensions: 1 7/8" deep x 4" wide X 15" high
Watts: 200 Watt. For Aquariums Up to 55 Gallons
Caution: To guard against injury, basic safety precautions should be observed. Danger: to avoid possible electric shock, special care should be taken in the use of aquarium equipment.

Marineland® Visi-Therm Submersible Aquarium Heater
0.00 New Available
Marineland® Visi-Therm Submersible Aquarium Heater
0.00 New Available
Marineland® Visi-Therm Submersible Aquarium Heater
0.00 New Available
Marineland® Visi-Therm Submersible Aquarium Heater
0.00 New Available
Marineland® Visi-Therm Submersible Aquarium Heater
0.00 New Available
Marineland® Visi-Therm Submersible Aquarium Heater is rated 2.4 out of 5 by 20.
Rated 1 out of 5 by from Burns out Worst heater ever. Been through 2 which burned out as soon as warranty was ip
Date published: 2017-01-03
Rated 1 out of 5 by from Marineland Heater I bought this heater in March 2018 when I was setting up my tank, all of a sudden it just stopped heating, it has a warranty. I had had to buy another one, not Marineland to many bad reviews.
Date published: 2018-05-26
Rated 1 out of 5 by from Great for three weeks. I've trusted the Marineland brand for a long time, but this heater became inconsistent after only a month of use. I bought the 300 watt for a 46 gallon aquarium so that the heater wouldn't have to work too hard and could keep stable conditions. I'm not sure if it has a safety breaker that would trip if it felt the heater was working too hard, or what the issue was, but setting my tank for 80 degrees would have the temperature get up to about 77 then drop down to 72.
Date published: 2018-03-18
Rated 1 out of 5 by from Gone through many heaters I had purchased 2 of these for separate tanks, within 3 months the larger of the two stopped working completely. The smaller one stopped being efficient as it only heated my aquarium to 74 degrees, set at 80 and condensation on the inside of the heater. Marineland has replaced both of these heaters. The larger of the two has been working since and the smaller replacement heater is not working as well, still a few degrees off and stays on much longer. I was asked by Marineland to send in my last defective heater at my cost and another employee told me I should only get one replacement per heater every 3 years, which is the total life of the so called heater. I find these heaters defective.
Date published: 2015-10-31
Rated 3 out of 5 by from Its Not Terrible I have the 250 watt in a 70 gallon tank, and though it still works, I am considering buying a new heater. I have only had it for about 5 months and I have two major issues with it. 1. Internal condensation, though it has double layered glass, it does not keep the water out well. For the age of the heater, the amount of condensation is ridiculous. 2. It runs very warm. I have it set to 82, but I find it getting up close to 90. Though my fish are african and south american and this won't kill them, it really is much warmer than I am comfortable with. For those reasons I would not recommend it, and am looking to buy a new heater soon.
Date published: 2016-05-20
Rated 4 out of 5 by from Good but not great Cons: The top red dial and red sliding scale are eye sores. In comparison, the Aqueon uses a blue top dial that blends with the background of my tank. The Marineland 100 watt is more robust compared to the sleeker Aqueon 100 watt water heater and the Aqueon is rated up to a 40 gallon tank. The Marineland 100 watt is only rated up to a 29 gallon but uses the same number of watts and volts. Pros: build quality, LED red light to signal it's on, and accurate output. It feels like a quality piece of equipment and Marineland is a trusted brand.
Date published: 2015-06-24
Rated 5 out of 5 by from Works Great I used this for my fresh water tropical fish, as well as a a saltwater tank. These work very well and are accurate. Definitely recommend if you have aquatic life that is sensitive to temperature.
Date published: 2014-10-19
Rated 2 out of 5 by from Cant keep temp. Ive had this 100 W heater for a week now and it wont rise to the temp of 80 Ive set it to. Just wont climb over 78.6. It seems to be working just fine. I have it in a 27 gallon bio cube-Salt water. Its near the outtake so the heat can be dispersed easier. Good thing is it is fully submersible(No max line).
Date published: 2015-01-07
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is a 300w over kill for my 55 gallon tank?

Asked by: ajswa
Thanks for asking! For a 55 gallon tank we recommend using a 200 watt heater. We hope you find this helpful! For more help, contact Marineland directly at 1-800-526-0650.
Answered by: Marineland Expert
Date published: 2018-09-16

Is this heater fully submersible? Can it be placed horizontally?

Asked by: PattieK66
Thanks for asking, PattieK66! Yes to both questions, it is fully submersible, and it can be installed either vertically or horizontally, just do not bury it in gravel or cover it with anything.
Answered by: Marineland Expert
Date published: 2017-12-17
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