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Found 7 results

  1. I've been working for some time now to come up with an affordable alternative to auto siphons. They may be fine for the home garden where you can fiddle with them and check daily, but in a commercial system (i.e. lots of media beds!) I want something more reliable and with more control. One of the other issues that I've dealt with is the heating/cooling effect of flood and drain beds. I manually alter my system by pulling out the siphons during the winter and turning my beds into either constant flood or wicking mode in order to minimize heat loss. If the sun is out, my greenhoused beds can actually pick up quite a bit of heat, so during the winter I can effectively heat up my water by turning the siphons on only during the day. Obviously this is really tedious to do by hand twice a day and I'd love some sort of method to automate this whole process. The ultimate level of control is to have a custom valve in each bed that is electronically controlled by a common irrigation timer. Each bed would be a zone and you can totally customize the flood and drain times for each. I'm still working on a prototype of this, but alternatively, I found some ready-made parts that are a bit too expensive to use on each bed, but that could be used to control a group of beds as a zone. For this to work, each bed needs 2 drains: one is just a hole at the bottom for when you want to drain the bed, the other is a stand pipe for when you want to flood. By opening or closing the outlets with an electronically-controlled valve you can decide when to flood and when to drain. Connect this up to one of the new wifi connected irrigation timers and you can automate or adjust it all remotely on your phone/computer! While this particular approach uses currently available parts, it does require more plumbing and a second drain taking up space in each bed.....something I'm not entirely happy with. The valve + actuator costs $120. Obviously too expensive to have one for every bed.
  2. Hi Y'all, Ever have problems with your bell siphon? Well I came across this mechanical drain called the Flout - rissyplastics.com. I bought and installed two in my media beds and they work great, pump always on and the beds fill and drain without issue. I attached some pics for you. BTW I have no commercial interest in this product, just think it is great! Clint
  3. How do you connect two separate flood and drain gravel grow beds so that they fill and drain as on unit using only one bell siphon and one input pump. I think I remember reading about a loop siphon to do this job. Anyone have a diagram or video I can watch to see how to do it?
  4. I recently found what seems like the ideal timer for AP system builders. I was looking for a timer to run system cycling... and was frustrated with the lack of control on commonly found timers. Meet the CAP ART-DNe Adjustable Recycle Timer The timer can run a pump from 1 second to 40 minutes.... then turn off between 1 minute and 8 hours! This is an amazing amount of control. It's a little pricy ($66 through Amazon), but the savings due to reduced pump usage should pay for itself, and end your reliance on bell siphons which can be very difficult to manage. The question I have now is, how does one find the optimal cycle times? Does it vary from plant to plant in the grow bed? Does it change due to the maturity of the plant? Regards, R
  5. Happy to have found AquaponicsHQ In the last couple weeks have a 40 Gallon Aquarium with 40 feeder GOLDFISH, pumping to TWO 35 Gallon floating raft grow beds. Soon hope ad a BIO sediment bin, some vermiculture and a 4 row NFT, all for veggies. All setup in storage area of our laundry room in the basement with 4 grow lights. Hopefully it will expand from their. Any tips on siphons that do not require drilling containers would be great, as I am currently pumping up to grow beds and siphoning back down to aquarium.
  6. Hi all, Quite by accident, I discovered something quite useful... probably others have suggested it in the past, but I've not seen it, so here you go... First, let me introduce you to my 3 bucket AP... Sump + pump on the bottom, fish in the middle, and hydroton grow bed up top. I had been struggling with a bell siphon flush... the classic problems of either failing to make or break the siphon. I ended up adding a timer... 15 minutes on, 15 minutes off. (The timers available on the market really suck for this kind of thing). This caused an affirmative siphon cycle, but only twice per hour. Not really good enough. The problem with this is that it get's the grow bed wet for only a few seconds, and then it is emptied by an aggressive bell siphon into the tank below... so the pump spends the remaining time simply circulating water.... feeding it directly into the base of the bell siphon. It was wasting energy, and was not getting the roots very wet. Quite by accident, I noticed something. As I had run the pump hose to the BOTTOM of the grow bed, if I filled the grow bed, then turned off the pump, I expected to see the water stay high in the grow bed (having stopped before the siphon kicked in). But it didn't! The level went back down... and NOT through the siphon! What was happening is that I had a SECOND siphon running through the pump itself! Here is a schematic: When I realized this, I made one small change, which changed everything for the better... I simply made a hole in the top of the bell siphon. This effectively killed the bell siphon, but it still acts like a high water overflow, and because of that, the 15 minutes that the pump is on, the water stays right at that level! This is making my roots very happy. When the pump goes back off... the grow bed then drains back through the pump, and into the sump! This really has been a fantastic improvement for my system. I hope this helps/inspires other similar efforts. All the best....
  7. in OUTBACKOZZIE KALGOORLI SYSTEM Gud day can you help me about the information for exact sizes and dimension of the siphon and the drainage system for the half bluebarrel that OUTBACKOZZIE used? Are u using a mega siphon? What sizes are the plumbing? I hope u can help about this.. May plan is ten blue half barrels and a 1000 liter fishtank and a sump. Thank you in advance...