SKY GEL is still the best !!! 
from quality to packaging. all rounded superb premium quality Easy to refill and save your time !!! do not fall into salesman talk that refill plastic bag is good xxx NO!! please save your time and relax!! 
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EASY. SKYGEL : refill easily and time saving from 5kg kettle to 260g bottle.
VERY DiffiCULT . Brand X : refill very hard squeezing out the gel and very time consuming. difficult level HIGH
