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Heater Setups & Aquarium Heating Issues

What type of heater is the best choice, a hang-on-tank, submersible, or cable system unit? Should one or more heaters be use? What temperature is optimal to maintain a saltwater aquarium and reef tank system at? These and other questions about heater setups and aquarium heating issues are answered here.
Is it safe to have multiple heaters in my aquarium?
FAQ - Is it safe to have multiple heaters in my aquarium? FAQ - Is it safe to have multiple heaters in my aquarium?
Ground Fault Circuit Interrupter (GFCI)
Ground Fault Circuit Interrupters (GFCI) are an essential electrical component of your aquarium system. Inexpensive and easy to install, these little devices can prevent electrical fires and serious injury or death.
How to Prevent Aquarium Heater Disasters
--Walked by the tank this morning and found everything laying belly-up. The thermostat for the heater got stuck and the water temp was 92.6F.-- The general response to this message posted in the forums by Paul (psedio) is one of extreme sadness, and we agree. It is heart-wrenching to loose everything in your tank from something as simple as a heater thermostat going haywire. However, there are some very simple things you can do to help prevent this same type of disaster from happening.
Tank Temperatures - Part 1: About Choosing & Using Heaters
From your About Guides, this article outlines the various types of heaters used in saltwater aquariums, provides tips on how they should be used, as well as other factors that should be considered when choosing a heater.
Tank Temperatures - Part 2: What Is The Optimal Temp?
Is there really such a thing as the "optimal" tank temperature? In this article your About Guides discuss the many opinions that aquarists have on this subject, and what factors need to be considered when deciding on a temperature to maintain your system.
Tank Temperatures - Part 3: How To Combat Rising Temps
From your About Guides, this article discusses how to evaluate where an over heating problem may be coming from to resolve it, and if it is due to hot summer weather, provides coolings tips for beating the summer heat to keep your tank temperature under control.
Reef Tank Temperatures - How High is Too High?
A pertinent reef tank temperature question, particularly during the summer months, is "how high is too high"? When do you really need to crank up that electron sucking chiller you paid a half a month's wages for? You may be surprised.
Being Prepared For A Power Outage
When it comes to dealing with a power outage during cold winter weather conditions, or any other time of the year, are you prepared to keep your aquarium running? Don't get blindsided and be ready to handle what may come your way with these tips from your About Guides.
FAQ - Heaters - Safe to have multiple units?
Some people say you only need one heater in a tank, others say different. Who is right?
Top Submersible Heater Picks
Read product reviews and compare prices on what your About Guides to Saltwater Aquarium consider to be some of the Top Pick Submersible Aquarium Heaters on the market.
Tank Temperatures - Beat The Summer Heat
From GARF, is a compelation of information contributed by LeRoy & Sally Jo Headlee and Paul Marshall that covers many of the things one can do to deal with maintaining steady tank temperatures during hot summertime weather.
Temperature Conversion Chart
From the FINS Reefkeeper FAQs, a useful table for converting Celsius to Fahrenheit.

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