Aquaponic Gardening

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fish tank heaters

best way's to heat fish tank water, different types of heaters,diy heaters, correct water temp

Members: 93
Latest Activity: Mar 27, 2017

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Fish Tank Heaters

Started by Phil Slaton. Last reply by Jeff S Jan 9, 2016. 7 Replies

A photo of oneof my heaters hanging outside a 1,200 tank awaiting the winter. I am working to bring fry of pure strain T. Hornorum improved body male (nicknamed Wami) Tilapia and pure strain African…Continue

Using renewable energy for heating and cooling

Started by Randy Turner. Last reply by Paul Trudeau Aug 20, 2014. 22 Replies

Has anyone utilized solar hot water systems to heat or ground source heat pumps to cool aquaponics systems? I considering alternatives to lighten electricity/ natural gas load as much as possible in…Continue

Waterbed Heater

Started by randy proctor. Last reply by Christopher Willis Jun 25, 2014. 4 Replies

would a waterbed heater heat a 125 gal ibc tank for tilapiaContinue

have you ever built a tank heater?, what is the correct temp for fish? can water temp get to high?

Started by Randy Moss. Last reply by Timothy McMaster Jan 24, 2014. 12 Replies

I have been working on a tank heater for a long time , i made it out of a hot water heater element, and it works great, check it out on youtube aquaponics/hydroponics (fish tank heater) made simple.…Continue

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Comment by Benjamin Udy - Super Genius on January 15, 2013 at 4:16pm

Is the garage insulated or is it pretty close to the same temperature as outside? You said it snowed last night so I'm assuming it's at least in the 20-30's at night. Also, what type of fish do you have? Like Rick said the water temp you maintain is going to be a compromise between what's best for you fish, bacteria and plants. That doesn't mean you can't keep your water at 80 degrees F which would be ideal for tilapia (and they will reproduce at this temperature) but not ideal for most plants and bacteria. Like the fish many plants and bacteria can adapt to this 'not' ideal temperature :)

Comment by Rick Stillwagon on January 15, 2013 at 3:46pm

What kind of fish do you have? Are you growing anything in your AP system? If you want the fish to eat, it needs to be anywhere from 55 - 75 degree water. The optimum environment for the fish, bacteria, and plant root zones are 70 degrees.  Provided there is enough light and nutrients to keep everything happy.  It is a balancing act of all these factors: Light, nutrients, minerals, PH, and temperature. 

Trout will be happy at the low end of the spectrum, Tilapia at the other end.  What a fish will tolerate and what it will thrive in are two different things.  Tilapia like 80 degree water.  Mine do well in 70 degree water but will not reproduce at that temperature.

Your bacteria and root zone are most productive when kept at 65 - 70 degrees. Cooler than that, and your bacteria diminish in there ability to do their job and many of your plants will slow their uptake of nutrients. Too warm is not good for them either.  Lack of light will cause leggy growth in a warm environment, and usually results in bug problems, as well as a lack of nutrients.

If you keep your water and air temp on the cool side through winter,  the metabolism of your fish will slow, they will eat less, your plants will slow their growth in response to the lack of warmth, light, and nutrients.  Inncrease the temp and light, your fish will eat more, create more waste, the bacteria will become more active increasing the nutrient supply to your plants and your plants will grow more.

Balance all the factors for dormancy or growth.

Comment by coty on January 15, 2013 at 3:29pm
At night it does get pretty cold. It snowed lastnight but its warm during the day
Comment by Benjamin Udy - Super Genius on January 15, 2013 at 3:16pm

depends on what the temperature in your garage is. 

Comment by coty on January 15, 2013 at 3:06pm
Hi i am using an ibc tote for my fish tank and filled it to 200 gallons. I put two 300 watt fish tank heaters to keep it warm. My set up is in my garage. Do you guys think this will be enough to keep my tank warm?
Comment by Benjamin Udy - Super Genius on December 9, 2012 at 8:22pm

does anyone know of a 120v stainless steel water heater element? It seems most all you can find online are 240v or if they are 120v they are copper, nickel or zinc. Also, when talking stainless steel, what is the difference between resistored stainless steel and non-resistored stainless steel? Would they both be considered safe for aquaponics?

Comment by Rick Stillwagon on June 26, 2012 at 4:37pm

This stove will heat your greenhouse and AP system for a couple of bucks a day.  Soon it will be UL listed, which means you can heat your house and if your AP system is in the house the tanks are heated as well!  Their new primary burn chamber and dampner regulates the stove down to burning about a pound of pellets an hour on low.  Running continuously, it would still only cost about $3 a day to heat your house or greenhouse and AP system.

Comment by Rick Stillwagon on May 21, 2012 at 1:41pm

This is what I will be using with my new pellet fired stove with the water heat exchanger.

Comment by matthew ferrell on March 9, 2012 at 5:56am

Tilapia pick at anything in the tank trying eat the bio-film off the objects.  They can and will eat rafts as well.

Comment by TCLynx on December 4, 2011 at 4:51pm

I'll have to leave some one else to answer on this one since I've never had tilapia in a heated tank, which is why I no longer have tilapia.

 

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