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About bigdaddy

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    APN Ambassador
  • Birthday 01/16/65

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    Enjoys,good easy to use hi tech equipment.
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    Family,enjoys nice coffee.

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  1. Hi Justy, Have a look at the iVAs threads,mainly found in the aquaponics section of APN, along with the iVAs facebook site.There is also a lot of papers in this forum to show some of the works of Mark McMurtry. The selection of the correct type of sand is very important in a iAVs system The ideal sand is quartz silica sharp and a particular size range. You will need to rummage through some of the iAVs threads and the iAVs site to find the exact size range. The iAVs uses the nutrients and solids to help in the beds and feeds the plants so no filtration is required. The particular specification of the sand filters the water effectively. You may want to keep an eye out for this type of sand to replace your current sand, doing this should stop your need to wash your sand regularly. Here's a link to the iAVs site and I'd suggest you also look at the facebook site and the iAVs info at APN. Let's know how you get on. Hope this helps. Cheers.
  2. Good job Moses... Cheers.
  3. Hi Moses, To stop algae, if your water readings are correct... Stop the sunlight hitting the water/algae. Cheers.
  4. Hi VKN, Are those bed walls made from clay? Cheers.
  5. Hi Moses, I can't see any reason why what you suggest could not work...If it is set up properly There is some talk somewhere on the forums about wicking beds... Have a look through the non aquaponic growing systems section. And you'll find this. You may also find some other threads of interest there. Hope this helps. Keep up with your regular testing, it's a very good way of catching something if things start to go wrong. I'd suggest keeping a log. Posting on here is a good way of doing that. Or you could keep it somewhere else of course. I'd keep a particular eye on your nitrates ATM and see if they drop after your planting. If they do not, post on here again and we'll see what we can do to help. How are your fish looking? Please keep us updated on your progress. Cheers.
  6. Hi Moses All looks good to me. I'd be happy with that. I'd be working on bringing the nitrates down by adding more plants. I would not look at doing any water changes. Try to do it by planting more plants if you can. Cheers.
  7. Hi Nsidibe and welcome to APN, and the addiction. I would advise you to start on a small backyard system first and learn how to drive it, once you have (I found there is a steep learning curve involved) then expand it bit by bit. Then if you are successful at that read up and invest in gaining commercial knowledge (It's a completely different ball game including but not excluding other things such as rock solid business plans, larger investment, risk and more). Once you have that knowledge then maybe look at doing it commercially, be it small or large. Meanwhile, I look forward to seeing your progress on your "starter system" and wish you all the best. Feel free to start your own thread (we love pics) of your build in the Aquaponics Systems section when you are ready. Cheers.
  8. Hi Moses Personally I'd be happy with my pH at 6.8. I wouldn't be touching the pH just yet. A correctly callibrated electronic meter will always be better than a fluid indicator. I'd be taking the electronic meter readings in preferance to the titration readings. What's your ammonia nitrites and nitrates readings? Cheers.
  9. I'm not sure about algae being toxic for your plant bed Moses, but remember with algae it needs sunlight to survive. If you can stop all the sunlight hitting your area where your algae is you will stop your your algae. During your cycling period or a little after it at about 23C you can expect an algae bloom in your fish tank for a few days I had that when I was running my IBC's. I wouldn't be to concerned about your plants going brown and dying at this stage . I think your system is just finishing cycling and balancing itself out. When I first started my plants looked rather sick for a while but I added Seasol, I believe Maxi crop is similar, to my tanks every couple of days or so to help with the lack of nutrients. I found with the pH between 6 and 6.5 my plants could take up the nutrients sufficiently. I would replant your plants ASAP and try again. You will need your plants to eat the nitrates. Cheers.
  10. Hi Moses, Now I know you have fish in your system and I see that pH and fish tank temperature, my strong advise to you is to get an ammonia test kit urgently and test every day. At those readings, you have a high likely hood of your water being toxic to your fish with any or very little ammonia in it. There are charts around to show you this, sorry I can't dig one up ATM but they have been posted on this forum and are available elsewhere. Hope this helps. Cheers.
  11. Hi Moses, Could you give us todays water readings please? Tank temp. pH. Ammonia. Nitrites. Nitrates. Cheers.
  12. Hi Toga, I am interested in learning about this. My current situation has greatly encouraged me to make use of my old 500 litre fish tanks in my garage( a project for later on ) as they are too big in diameter to take down to the back yard. Some of my concerns are the cost of lighting, running costs and initial outlay, and weather I think it is worth growing the food indoors or not. Metal Halide lamps have been the choice for indoor growers for a long time but they are expensive to run. With the new "FULL SPECTRUM" LED lights available on the market today with the reduced costs compared to before. I'm wondering if they will be worth it. I understand lighting is whole new "science" to me and I have lots and lots to learn so I appreciate your informative posts, I also am learning every day. Cheers.
  13. Hi Mikhail, I am watching your sand sourcing journey with a great deal of interest. One of the things I got from Marks article was even at the higher cost, he found it would cost substantially less than clay balls and a superior product. I wish it was as easy and cheap for me to source about 2 tonne of suitable sand either in a trailer or delivered, but unfortunately, so far it's not. I may well bite the bullet and get a couple of 1 tonne bulka bags delivered anyway, we'll see. Please keep us posted on your progress. Cheers.
  14. Howdy, And welcome to APN. Cheers
  15. Hi Mikhail, Looks good. re - Build section. Go to Aquaponics systems section, open that up then hit the start new topic button and go from there. Cheers.