Conflicting advice from the internet on proceedure for sweetening wine before bottling. I have stabilized 2 gallons of strawberry, 1/2 oz sorbate per gallon and 1 campden tablet per gallon. Has been sitting in secondary for one week now.. no sign of fermentation. Would like to sweeten the wine to a medium sweet. Info I have been able to research tells me to add about 168grams per gallon.. but researching further I am getting different info. Also purchased a Vinebrite gravity flow filter. Do I filter before adding the sugar? The wine is very clear..maybe not necessary to filter? Would appreciate your expertise. Thanks.