Dr Fish
Well-Known Member
Waterfarm owners all seem to have the same complaints... It's such a pain to fill and drain and daily maintain........ This will help with that by having a controller and add back reservoir which will let you drain/fill, as needed, every 7-10 days....
Waterfarms are a great option for those who want a high yield hydro for one plant... This thread will show a major change in how a regular WF can be modified to circulate a reservoir with no other pump.... It uses only the drip ring pumping column to do the job..
How is this possible you ask?? Simple, it's done adding a standing column of water to the Waterfarm ... That column of water is connected to, and draws water from, the controller... The drip ring now goes in this column of water... When the drip ring pumps water out of the water column , it refills by gravity from the controller.. Gravity now returns water pumped into the WF from the water column, back to the controller by the way of a return line... That return line is connected to the waterfarms old sight/drain barb... A sight drain tube is added to the controller for a daily ppm/ph and water level check... Same old waterfarm type system, with a major twist....
A bonus is that the more waterfarms used, the faster the water moves.... Eight WFs setup this way will move water 7 times faster than a GH waterfarm recirculating kit... Each pumping column doing it's part to move the water along... I would up the size of the reservoir and up the feed/return to 3/4" for multiple WFs....
The add back reservoir and controller are 5 gal buckets.. In use, the controller is set a little lower so most of the 5 gals is used for solution....... About 7+ gal total in the WF and controller.. a 5gal add back reservoir should get a grow through a week.. I've got a bunch more pics of other mods to upload.... I probably missed something important, but this will get the thread started....
All the parts, except the 1/2" grommets and 1/2" barbs can be bought at Home Depot
1 13/16 spade bit for all the holes except the the hole for the float valve.... drill very slow with this bit, and level... it cuts fast...
2 - 5gal lids I got the white lids and sprayed black..
4 - 2.5 in cut off sprinkler risers
4 - rainbird 1/2 inch threaded barbs [Rain-Bird barbs fit 1/2" tubing better than the other 1/2"barb they carry]
1 -18" piece thin wall pvc [to be cut for the water column]
1 -1/2" threaded to 3/4" slip 90*ell [for water column.].
1 pack of hose washers... I like the red ones best, but the black o-rings work... It's best to pre streach the red ones over the riser threads several times... it serves to make them a little bigger and they fit better..
1 float valve and the hardware to mount it in the controller..
Teflon tape, three turns all threads..
A sight tube and the grommet for a 90* barb to mount on the controller for the daily ppm/ph sample and water level check......
Waterfarms are a great option for those who want a high yield hydro for one plant... This thread will show a major change in how a regular WF can be modified to circulate a reservoir with no other pump.... It uses only the drip ring pumping column to do the job..
How is this possible you ask?? Simple, it's done adding a standing column of water to the Waterfarm ... That column of water is connected to, and draws water from, the controller... The drip ring now goes in this column of water... When the drip ring pumps water out of the water column , it refills by gravity from the controller.. Gravity now returns water pumped into the WF from the water column, back to the controller by the way of a return line... That return line is connected to the waterfarms old sight/drain barb... A sight drain tube is added to the controller for a daily ppm/ph and water level check... Same old waterfarm type system, with a major twist....
A bonus is that the more waterfarms used, the faster the water moves.... Eight WFs setup this way will move water 7 times faster than a GH waterfarm recirculating kit... Each pumping column doing it's part to move the water along... I would up the size of the reservoir and up the feed/return to 3/4" for multiple WFs....
The add back reservoir and controller are 5 gal buckets.. In use, the controller is set a little lower so most of the 5 gals is used for solution....... About 7+ gal total in the WF and controller.. a 5gal add back reservoir should get a grow through a week.. I've got a bunch more pics of other mods to upload.... I probably missed something important, but this will get the thread started....
All the parts, except the 1/2" grommets and 1/2" barbs can be bought at Home Depot
1 13/16 spade bit for all the holes except the the hole for the float valve.... drill very slow with this bit, and level... it cuts fast...
2 - 5gal lids I got the white lids and sprayed black..
4 - 2.5 in cut off sprinkler risers
4 - rainbird 1/2 inch threaded barbs [Rain-Bird barbs fit 1/2" tubing better than the other 1/2"barb they carry]
1 -18" piece thin wall pvc [to be cut for the water column]
1 -1/2" threaded to 3/4" slip 90*ell [for water column.].
1 pack of hose washers... I like the red ones best, but the black o-rings work... It's best to pre streach the red ones over the riser threads several times... it serves to make them a little bigger and they fit better..
1 float valve and the hardware to mount it in the controller..
Teflon tape, three turns all threads..
A sight tube and the grommet for a 90* barb to mount on the controller for the daily ppm/ph sample and water level check......