Fermentables are the backbone of a beer recipe. Fermentables are the sugars yeast digest to make alcohol. Fermentables give a beer color, flavor, mouth-feel, and sweetness.
Add fermentables by entering their weight and selecting them from the drop down. The drop down contains a pre-populated list we maintain that is cultivated for accuracy and brevity. The list contains grains by country, adjuncts, sugars, and extracts.
As you enter fermentables, the OG of the recipe will increase. The color each grain imparts is also estimated, and recipe's color (SRM) will change. Gravity can also effect hops utilization, so the recipe's IBUs can change as well!
Use the sort button to reorganize the list in order of weight.
For recipes using the Extract brew method, only extracts and sugars are available as fermentables in the drop down.
Stats on Fermentables:
To see what the PPG and Lovibond for a fermentable is, click the down arrow (▼) below the fermentable line, or click the '▼ All'.
If you do not see the fermentable you are looking for in the drop down, click the Add Custom button.
This will bring up a custom fermentable line where you can provide a name, the PPG (points per pound per gallon), the Lovibond value (how dark), and if the item needs to be mashed. Grains are typically mashed, but sugars are not. Usually the manufacturer provides these numbers, but you can also look at similar ingredients as a guideline.
If you want to use the custom fermentable across several recipes we recommend you add it to your Inventory as a 'Custom Fermentable'. It will then appear at the top of the fermentables drop down list.
The Mash Checkbox:
The sugar contribution from mashed ingredients is impacted by the efficiency setting at the top of the recipe. Most likely the box is checked for any grain that is crushed, but left unchecked for raw sugars.
The Late Addition Checkbox:
Use this to exclude the fermentable from the estimated boil gravity used in the calculator. To reveal this for a standard fermentable, click the down arrow (▼) below the fermentable line, or click the '▼ All' button. This is usually done for about half of the total fermentables in an extract batch, but can also be done in any brew method when boosting the gravity with sugar. Doing it this way increases IBUs (higher utilization), so you get more bitterness out of the same hops.
The OG value:
This is an estimation of the per-line gravity contribution based on the fermentable's ppg, amount, and recipe batch size. Line item OG values will not always add up to the batch OG because of small rounding differences. For recipes set in Plato mode, the per-line OG figure is really just an estimate. Reason being - the gravity to Plato conversion is not linear. This has to do with physics, not software. Instead of reporting the per-line Plato value independent of the other sugars (which would be inaccurate), the system takes the percentage gravity contribution and multiplies that by the batch OG. That is what the brewer is actually interested in anyway.