That depends on the size of your rez. You would want enough water to constantly cover you pump to stop it running hot or burning out.Also,the bigger the volume of water/nutes in the rez,the more stable its is-well thats what ive read and thats the outcome I get.Peace,RM.
rastaman79 Reviewed by rastaman79 on . Reservoir Question Hi. In the process of engineering my own ebb & flow system. Quick question - how many gallons of reservoir water do you need for just one plant? Thanks. Rating: 5