Thank you very helpfull. One more question what pressure do you apply to the head of the tank when filling kegs. I am guessing 15 psi to maintain co2 in product and to be able to move the product into pressurised keg. I ask as I experienced low carbonation in my cider I dropped the brite to 5 psi from been set at 15 psi which must have released to much co2 as I pressurise my kegs before filling. Then vent them when filling my hose from brite tank is also pretty short. Is this good or detrimental. It's just my first commercial batch cider trying to get it all right! Thanks for your help