"I am setting up a system with 1" screened lava using both a swirl filter and a bio-filter, so i hope I'l have the poop problem covered.
I don't understand what you mean by "may get dead spots in the root base", could you elaborate please?"
"So... a mini aquaponics system for the fingerlings and duckweed? Cool! I was thinking of doing a mini system in the living room for the fingerlings with just nonheat-tolerant plants, but using the mini one for duckweed would be better and getting it…"
"Oh, good. I'm not losing it totally, then! So the image up there ^ is your current plan?
If so, you still have areas in your grow beds that will be very difficult to reach. Specifically the back, center area of GB1 & GB 2 and of GB4 & GB5. Just…"
"Oh, no, you are correct, I made changes based on your suggestions.
I do have a swamp cooler for the greenhouse.
How did you treat the cages and tanks before you buried them?"
"Funny how blind I can be sometimes. I swear I'd seen an area in your plan that was only 14" wide. Hmmm... . I'm also seeing now that you were already planning to sink the tank & sump. The geothermal benefits are well worth it!
Do you have a way to…"
"This gives me a constant height 320Gal fish tank = 320gal sump water = 250Gal in grow beds + 70Gal in the lowered portion of the main sump to give my pump the 8" it needs to stay wet. I did the math and with a flow rate of 2700GPH, the sump will…"
"I have been told by several people that the lava cinders we have here in Arizona are ~7.3 and you can use them or mix them with 25% hydroton or expanded shale with good results. Just keep in mind price comparison, in most places lava rock is more…"
"OK, this has been on my mind today... :)
I recommend you simplify the plan by eliminating one grow bed (I don't think your system will handle 5 anyway) and planning it something like the attachment. This gives you 2' of space in all walking areas.…"
"You want to calculate enough water to fill all growbeds at one time. Media takes up 50-60% of the space (on the safe side, calculate 50%), so you're looking at 50 gallons each bed (less the space used by the rock boxes.) However, your pump has to…"
"Yes they are chopped IBC's. The 330 was just for fish. The Sump is going to be the lower 2/3rds of a 275 (175G?) and the rock box/ heat sinks would be another 150G(50G x 3) totaling 325G of sump tank. Should that be enough, or should I make the 3…"
"Are these IBC tanks? The image is stretched vertically, so it's a little deceiving at first. My first thought is that five grow beds are a lot for a 330 gal tank. You'll need the tank fully stocked to provide the needed nitrates, and even then I'm…"
Comments
did you ever post any pictures of you aquaponics set up?
Hi Cameron, sorry for the delay in getting you on here. I think you'll enjoy these classes. Thanks joining the VPA!