Step 2 - add grow beds in a ratio of 1:1. start with a grow bed ratio of 1:1, which is 800 square feet of grow beds for an 800-gallon fish tank. as you add more fish, increase the grow bed square footage to as high as 4:1. an 800-gallon fish tank can support 3,200 square feet of grow beds.. In general the recommended grow bed to fish tank ratio is approximately 1:1, i.e. the fish tank volume should be approximately equal to the volume of the grow bed. this ratio can also be thought of in gallons per cubic foot, striving for 6 gallons (22 liters) of fish tank to every cubic foot of grow bed.. How many fish for aquaponic system | fish to grow bed ratiog'day folks. one of the most frequently asked questions i get from people wanting to start a small....
Fish per gallon rule. for a smaller fish species, the most widely accepted stocking rule is that for each gallon of water you raise an inch of fish. this is only applicable for smaller tanks. you cannot follow this rule to stock the fish that have a tendency to grow larger. as the fish grow, it increases in length, width and height. the volume and weight of 10-inches long fish can be more than 100 times of 1-inch long fish.. Some will argue that the standard ratio of grow bed size to fish tank size is two gallons of grow bed container capacity to one gallon of fish tank capacity instead of the one to one ratio i mentioned in part 2. again, the number for expanded clay is 1:1 and for gravel about 1.3:1 gallons of grow bed container capacity to fish tank capacity..
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