Equipment specs
Grainfather G30 (3rd generation): specifications
The Grainfather G30 (3rd generation) is a all-in-one electric brewing system from Grainfather, listed at $870.20. Capacity is 8 gallons.
At that capacity it suits 5 gallon batches, since a fermenter or kettle has to hold considerably more than the finished batch volume.

Grainfather G30 (3rd generation)
Grainfather
Stainless all-in-one with counterflow chilling and app control, aimed at brewers who want repeatable step mashes.
Price last checked at publication and changes often.
Grainfather G30 (3rd generation) specification
| Specification | Value | Source |
|---|---|---|
| Brand | Grainfather | Listing |
| Type | all-in-one electric brewing system | Listing |
| Capacity | 8 gallons | Listing |
| Tier on this site | expert | Editorial |
| Listed price | $870.20 | Listing |
| Full listing title | Grainfather G30³ All-in-One Electric Homebrewing System, Stainless Steel | Listing |
Rows marked Standard come from a published equation, constant or manufacturer specification. Rows marked Convention are widely repeated brewing practice with no governing document behind them. The difference matters, so this site labels it rather than blurring the two together.
The Grainfather G30 (3rd generation) and similar equipment
Prices are those returned when this page was last built and change often.

Grainfather G30 (3rd generation)
Stainless all-in-one with counterflow chilling and app control, aimed at brewers who want repeatable step mashes.

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Frequently asked questions
- What batch size does the Grainfather G30 (3rd generation) handle?
- It is listed at 8 gallons, which suits 5 gallon batches. Always leave headspace: a fermenter filled to the brim will push krausen into the airlock, and a kettle filled to the brim will boil over.
- Is the Grainfather G30 (3rd generation) worth the price?
- It sits in the expert tier on this site at $870.20. Whether that is right for you depends on how often you brew. Equipment cost spreads across every batch you make, so a more expensive system that gets used fortnightly can work out cheaper per pint than a budget one that gets used twice a year.
Researched from published brewing formulas, manufacturer specifications and verified owner reviews. This is general guidance, not professional advice.