rangergord
Active member
I have being using the information in this thread for many years it works very well I would like to add that's in aquaponics there is a method called fishless cycling. It uses urine to add nitrogen to the reservoir or fish tank to get the nitrogen cYcle in balance. You can monitor the cycle with an aquarium test kit. When the cycle is stabilized about a month later you can add fish or just keep adding urine and start growing plants with just urine and water. The cool thing is that ph becomes self regulating and no down is needed. The aquaponics people have proven this works well in flood and drain and NFT.