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Aquaponics For Beginners
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This is a place where Beginners can post questions and find answers.
Advanced Users are welcome to help the Beginners out.
Please KISS (Keep It Simple Stupid) .
Members: 672
Latest Activity: Feb 2, 2019
Discussion Forum
A few fish for sale or good home
Started by Linda Logan. Last reply by Linda Logan Feb 2, 2019. 1 Reply 0 Likes
I need to shut down my indoor system for a few months. I have 2 mature Shubunkin, 1 albino Hypostomus to clean the aquarium. There is another small fish living in the sump.I live in SE Portland and…Continue
Aquaponics system as filter for swimming pool
Started by John Wilson. Last reply by Wade J Rochelle Jan 25, 2019. 3 Replies 0 Likes
Hi all, we've just purchased a property with a large indoor swimming pool. Around 80,000L with a greenhouse roof and plenty of room around it for grow beds. However, this is far too big for us to…Continue
Not for human consumption!?
Started by Nichelle Hubley. Last reply by Nichelle Hubley Jun 30, 2015. 7 Replies 1 Like
Well, I think I messed up big time. I've been feeding my precious tilapia koi food (I like in a small place and it was all I could get... :( ) for about 2 months and last night I read on the back of…Continue
Help!! Help !!! with new filtration and set-up.
Started by Henrique Miguel. Last reply by Wayne Mcbryde May 14, 2015. 2 Replies 0 Likes
Hi,I have a set up of 2 55 gal blue barrel with Tilapia and guppies separate. I have young ones and they are growing well. Issue of overcrowding and feeding. 1. I would like to use a water…Continue
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Comment by Dave Mannina on May 19, 2012 at 2:26pm
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THANKS JOHN !! WOW... 1078 gph.. OK .. I just bought a 700 gph.. I guess if i need bigger, I will have to buy another one.. I can still use this one for other things.. I will hook up the 700gph one today for now. Thanks for all the math work you did. :-)
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Comment by John E Windsor on May 19, 2012 at 11:29am
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Need to buy a pump? 1st you need to find out how much water you have to move in 1 hour. Assuming you have 2 gravel beds that flood and drain on average every 15 minutes and the beds measure 17' x 2.5' x 1' deep.
Figure the total cu' of water: 17' x 2.5' x 1' = 42.5 cu' x 2 beds = 85 cu' total
If you F&D every 15 minutes, that's 4 x 85 cu' = 340 cu' per hour.
1 cu' of water = 7.48 US gallons x 340 cu' = 2543.2 gallons.
60% of your grow bed is occupied by gravel, leaving room for 40% water. So figure 2543.2 gallons x 40% = 1078 gph.
You want a pump that will move more that 1078 gph (gal per hour) @ 2.5' head. Any excess water can be bypassed back into the tank you are pumping from, which will also add aeration in that tank.
I got mine on eBay and it works like a charm. Look at http://www.ebay.com/itm/PONDMASTER-SUPREME-MAG-DRIVE-POND-PUMP-1200....
Somebody check my math!
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I need to buy a pump. 600 gallon in ground fish tank. About 2'-6" of lift. two grow beds that are 17' long and 2'-6" wide. Grow beds are pea gravel 1 foot deep, drain and fill. Not sure what size pump.
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Comment by TCLynx on May 17, 2012 at 7:49pm
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Comment by marty lininger on May 17, 2012 at 6:59pm
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does anyone know of an epoxy paint that is food safe and suitable for continuous immersion?
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Comment by Tony Gilliam on May 7, 2012 at 7:32pm
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OK guys i finaly got my 6 totes, They once held Ferric Chloide 30-60% Solution. I found an MSDS for full strenth ferric chloride, and that MSDS scared the hell out of me, once i read all the stuff on it. I can nuetralize it with lime and then triple rinse it.
Has anyone ever had to clean one of these and how did you do it?
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See the pump only has to Lift water above the water level, below that the water is supporting the water.
Yep, if the water level in the sump doesn't fluctuate too much then that helps and if you oversize your pipes from the pump up to the height where things branch out it will help too.
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I was thinking the head was from the bottom of my sump to the top of the system. My sump is 10' deep and if i add towers they would be 7' tall. Thats where the 17' comes from. But if the head is from the top of the water in my sump then it would be alot less.
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It is the Fish tank volume you need to turn over once per hour. Don't confuse yourself trying to turn over the entire system volume. It is the fish tank volume you need to circulate hourly I like to mover more water than that. The head is from the surface of the water in the tank your pump is in to the height you are pumping to.
Heavy duty cable would be important to running a long distance and making sure that cable is protected from being cut by metal garden tools by the unwary.
Now I don't quite understand why you need to lift the water 17 feet? Is this system like multi story? Or is the greenhouse on the side of a steep terrace? I run a tower system and am dealing with lots of towers but I'm still only having to pump up about 7 feet above the water to feed those.
It might actually make sense to have a pump that deals with the fish tanks and grow beds that can move the needed 1500 gph or so at the height needed to take care of the fish tank/grow beds and then perhaps run a second pump that is only responsible for feeding the towers and not concerned with moving the volume needed for the whole system while also delivering it to the elevation needed for the towers. I've been using little 50 watt pumps to feed as many as 14 towers at a time. There are plenty of pumps that will provide the flow for the fish tank/grow beds for under 3 amps.
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I'm looking at 6 totes that are 275 gallon / 6 biofilters that are 55 gallons / my sump holds about 1000 gallons and the grow beds will hold around 1500 to 2000 gallons. If i try to use strawberry towers the max lift would be about 17 feet. without the towers i think 13 feet would do. If i get enough turnover in the water then i could use a smaller pump to run in the towers, pulling the water from a tote. and returning to that same tote. I was thinking the main pump should turn the water over atleast 4 times a day. I may be way off on that number. I am looking into drawing power from a different source, It is about 100 feet farther away but i can get 60 amps from it. Im going to have an electrician check it out soon.
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