Receive stain-remover bottles without losing open stock
Illustrative inputs, not verified product specifications or care recommendations.The household question
Two bottles arrive while 60 ml remains open.

Measurements and assumptions
Before the change
| Full bottles | 0 |
|---|---|
| Bottle capacity (ml) | 300 |
| Open bottle remaining (ml) | 60 |
| Amount per treatment (ml) | 15 |
| Item name | Receive stain-remover bottles without losing open stock |
| Storage location | Household supply shelf |
| Minimum stock | 0 |
After the change
| Full bottles | 2 |
|---|---|
| Bottle capacity (ml) | 300 |
| Open bottle remaining (ml) | 60 |
| Amount per treatment (ml) | 15 |
| Item name | Receive stain-remover bottles without losing open stock |
| Storage location | Household supply shelf |
| Minimum stock | 0 |
Carry out this task
- Save the Before values on the linked tool.
- Add the delivered full bottles to the existing record.
- Calculate & Save the After values on the same item. Check the ID is retained rather than creating another physical item.
Calculation and observed tool result
Before
Stock = 0 × 300 + 60 = 60 ml; floor(60 ÷ 15) = 4 treatmentsRecorded quantity: 60 ml.
After
Stock = 2 × 300 + 60 = 660 ml; floor(660 ÷ 15) = 44 treatmentsRecorded quantity: 660 ml.
What the result means
The total becomes 660 ml, enough for forty-four entered treatments.
Limits of this example
Only identical formulations and sizes belong in this record.
A mistake to avoid
Do not replace the open remainder with full-bottle capacity.
Open Stain Remover Stock & Treatment Tracker · How to Organize Bathroom and Laundry Supplies