An apparatus, comprising: a tank configured to contain a resin, the tank including an entrance port and an exit port ; and a resin circulatory system comprising: a first pump configured to extract the resin from the tank through the exit port of the tank , and flow the resin towards a branch point , the branch point fluidly coupled to the first pump , a first valve , and a second valve , wherein the first valve regulates a flow of the resin from the branch point to an inlet of a first reservoir and the second valve regulates a flow of the resin from the branch point to a first confluence point ; a third valve regulating a flow of the resin from an outlet of the first reservoir to a second confluence point , and a fourth valve regulating a flow of the resin from the first confluence point to the second confluence point ; a second reservoir configured to supply a fluid to the first confluence point , wherein the fluid comprises at least one of fresh resin or an additive; and a second pump configured to extract the resin, the fluid or a combination of the resin and the fluid from the second confluence point and flow the resin, the fluid, or the combination of the resin and the fluid, as applicable, into the tank via the entrance port of the tank . a tank configured to contain a resin, the tank including an entrance port and an exit port ; and a resin circulatory system comprising: a first pump configured to extract the resin from the tank through the exit port of the tank , and flow the resin towards a branch point , the branch point fluidly coupled to the first pump , a first valve , and a second valve , wherein the first valve regulates a flow of the resin from the branch point to an inlet of a first reservoir and the second valve regulates a flow of the resin from the branch point to a first confluence point ; a third valve regulating a flow of the resin from an outlet of the first reservoir to a second confluence point , and a fourth valve regulating a flow of the resin from the first confluence point to the second confluence point ; a second reservoir configured to supply a fluid to the first confluence point , wherein the fluid comprises at least one of fresh resin or an additive; and a second pump configured to extract the resin, the fluid or a combination of the resin and the fluid from the second confluence point and flow the resin, the fluid, or the combination of the resin and the fluid, as applicable, into the tank via the entrance port of the tank . a first pump configured to extract the resin from the tank through the exit port of the tank , and flow the resin towards a branch point , the branch point fluidly coupled to the first pump , a first valve , and a second valve , wherein the first valve regulates a flow of the resin from the branch point to an inlet of a first reservoir and the second valve regulates a flow of the resin from the branch point to a first confluence point ; a third valve regulating a flow of the resin from an outlet of the first reservoir to a second confluence point , and a fourth valve regulating a flow of the resin from the first confluence point to the second confluence point ; a second reservoir configured to supply a fluid to the first confluence point , wherein the fluid comprises at least one of fresh resin or an additive; and a second pump configured to extract the resin, the fluid or a combination of the resin and the fluid from the second confluence point and flow the resin, the fluid, or the combination of the resin and the fluid, as applicable, into the tank via the entrance port of the tank . <EOS>