I don't know if there is a more elegant way, but doubling the scroll element down five times is enough for 185 elements.
{"_id":"fairprice","startUrl":["https://www.fairprice.com.sg/search?query=dettol&filter=brand%3Adettol"],"selectors":[{"id":"scroll1","type":"SelectorElementScroll","parentSelectors":["_root"],"selector":"main","multiple":false,"delay":2000},{"id":"scroll2","type":"SelectorElementScroll","parentSelectors":["_root"],"selector":"main","multiple":false,"delay":2000},{"id":"scroll3","type":"SelectorElementScroll","parentSelectors":["_root"],"selector":"main","multiple":false,"delay":2000},{"id":"scroll4","type":"SelectorElementScroll","parentSelectors":["_root"],"selector":"main","multiple":false,"delay":2000},{"id":"scroll5","type":"SelectorElementScroll","parentSelectors":["_root"],"selector":"main","multiple":false,"delay":2000}]}