I have a 7.5 wat heater for my 3 gallon betta fish tank, but its not enough. If I buy this one, is the wattage to much?
1808706
This heater is adjustable over a wide range so you should be able to find a setting that is suitable for your tank and fish. Just make sure you have a thermometer to check the temperature. Also, I use mine in a 10 gallon tank with only about three inches of water (for turtles). I have the heater laying at an angle, leaving only the top out of the water. Works fine.
1808707
It's more than you need (IMO), but it will work ok. It's 9" long, which might look big in your 3g tank. I like this heater. It has worked well for me (I have 3 Aquatop heaters), but if I had a 3g tank, I'd look for something smaller.
1197388
From the bottom of the thermostat heater to the minimum water level is 7 and 3/4 inches. If the tank has sufficient depth, I think it should work fine. It's a great heater. I used it in a 5 gallon tank. If you don't have that amount of depth in your tank, I might suggest a Hagen Elite 25 Watt mini heater (also available for Amazon). I have used it in a 2.5 gallon tank and it worked well. It is only 5 and 1/2 inches from the bottom of the heater to the minimum water level. Enjoy your Betta.
1645495
NO...it will get way too hot!! I had this in my 2.6 G Fluval and raised the temp to 86. MAYBE you could try the 5 watt but better to go with a little betta heater made for that size.
90038
Hydor 25W Submersible Glass Aquarium Heater - Original Theo I hear this is a great adjustable heater. how big is the spot in the back cause im not sure it'll fit
1972419
What everyone else has told you here is true. The only thing I would add is that you may want to play w/ the time in order to fine tune it. I have an 80gal. tank, & have it come on for 1.5hrs in the morning about 6am & again at 6pm. This satisfies all our needs for the day. If you have a cheaper rate at night, time it to come on for the amount of time you determine so that it goes off at the time the rate does too. If the heater is satisfied before the time is up, it won't be on anyway...Remember to reset the clock after a noticeable power outage however!!!
1588067
I'm using it in a 3 gallon Tetra Cube. As long as it's submerged horizontal or vertically, and not touching substrate, it'll work. The heater is 6.5" tall x 2" wide. I like it because, it heats to a set temperature; if the tank is too warm, it shuts off. I've been using it for a month, checking with a thermometer, and it's been spot on 80, as set for my Betta.
29050
yes - it's a good heater and should work fine - just be careful not to heat the water too much - you can seriously cook the fish - make sure you get one of those thermostats that attach to the outside of the tank -
1338366
Please be aware this is the lowest wattage unit Farm Innovators makes. If I were going to be looking at 3 gal. and -20 I would think about a higher wattage unit but I have no experience with it in such extreme conditions.
1586772
Its very possible to use this for a 250 gallon I have a 125 and use this 300 watt well below what's recommended for my tank size it keeps it very warm and its very durable I have large Oscars in my tank u can only imagine try contacting a pet smart and see what they think u may have to purchase 2 but its still great at the price amazon has it versus pet supply stores there normally $50-60 bucks at pet for just 1
2269971
You can fit a perfectly suitable heater with a thermostat--certainly one that is strong enough for the Spec III--in the compartment with the pump. I have a &lt;a href="http://www.amazon.com/Hydor-25W-Submersible-Aquarium-Heater"&gt;Hydor 25W Submersible&lt;/a&gt; in each of mine; it's a little bit of a pain to get the suction cups on the clips to hold while the tank is dry, but they stick well enough once there is water in (I only use one, as it's pretty impossible to get the second placed, but as the compartment is narrow anyway, you really only need the one clip to hold the heater below the water line), and there is a cutout at the back of the lid for the cord for the pump which also accommodates the cord for the heater. If the tank is for a betta or any other tropical fish, you really do need a heater with a thermostat to keep the temperature both warm enough and stable, but you should not have any difficulty or even aesthetic issues with a 25 watt. Good luck!
233942
I'd personally get a smaller one. This article says 100watts is too much for a 10 gallon tank. Here's the reference article - http://www.thatpetplace.com/fish-tank-heaters-article
1602169
My heater started working immediately. I suggest not leaving it out of water for any length of time. It will get hot to the touch very quickly. Even though it has a constant on feature, there is a limit to how hot the tank can get which is a combination of the tank size and the ambient temperature of the room. I am using mine in a 1.77 "goldfish starter kit" (who are they kidding) with an added external light and this heater and my Betta is doing fine. He is a classroom Betta, and my room gets cold!
1631895
The Aqueon is been unreliable for temp, I bought a Eheim heater and its holding temp well, for a tank your size the 300w should do the trick, rated for up to 250g
1062042
very low wattage, those long bulbs that are like 15-25 watts. or you could use a small hear pad on the bottom or side of the tank. OR nothing at all depending on how warm your house is!!
2007390
It's fine, I use mine in a 55 Gal so you have plenty even if you decide to go to a bigger tank. Enjoy these are the best heaters.
90037
I bought a Marina C10 Submersible Aquarium Heater, 10W. It works fantasticly. I put it inside the white tube, behide the filtersthere is plenty of room and it fits just right. The temp. stay constant and my betta LOVE this Aquarium.
2018489
I have a 20 gallon aquarium also and I have a 100 watt but you could probably get away with a 50 watt. I always set the heaters up vertical so really couldn't tell you on that