In layman's terms, they are connoisseurs in the science behind fermentation and beer making.

Port Macquarie brewers Ryan Moore, Jacob Hurrell and Brad Hodge say they are up to the challenge as they push their Double Poppa beverage in the lead up to the Great Australasian Beer Spectacular.

The Double New England Indian Pale Ale has been bubbling away at Moorebeer Brewing Co after a trial batch was made in March.

The critical ingredients in every beer are water, malted grains, hops and yeast.

However brewery co-owner, Ryan Moore said the standard recipe has been tweaked and final changes made specifically for the Sydney booze festival on June 1.

"We have to brew a beer specifically for it so we based it on our favourite beer to drink as a team, the Big Popper," he said.

"We've jacked up the hops, alcohol and malt character.

"It's bigger, better and everything is intensified.

"We brewed a trial batch in March which was good, tweaked the recipe and brewed a final batch.

"We're happy with end product and I'm hopeful (of a great showing) although there are a lot of other breweries with this style."

The type of grains used and water quality can also make difference for the final beverage, and Ryan has rated this new mixture as adventurous and deliciously explosive.

"It should taste like a big juicy fruit bomb," he said.

"We have attended the event for eight plus years but this is our first entered. This year we are established and can enter fun events."

Fermentation is a key part of the beer brewing process which produces alcoholic and carbonated characteristics, as yeast converts the glucose into alcohol and carbon dioxide.

Mr Moore said the diversity of beers available to the punter has increased dramatically and the public are being converted into more beer-savvy audiences.

"We feel like the community has given tonnes of support and we hope to keep providing interesting beers and events," he said.

"Consumers are more interested in local products by local people with local ingredients.

"In general there is more education about beer at the moment, people expect to be able to try different things at the bottle shop or brewery than what was on offer previously."

Over 100 festival beers and ciders will be presented during the festival at Sydney Showground in Olympic Park on June 1.

The event is held annually in Melbourne, Sydney, Brisbane and Auckland.

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