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| Yup, that makes sense for your calculation.
Again, the gallons/acre concept is based on ANY size equipment, so it doesn't matter how many rows or width of equipment. (e.g. you could do 10 gallons/acre with a 1 row planter with the same size nozzle/orifice as a 200-row planter would do that same acre. Only the outlet spacing would make the biggest difference in nozzle size, paired with the speed you are applying at)
It might be easier also to use the Tip Wizard function on the website as it does all the same math as the spreadsheet, but is a bit more intuitive.
To explain the 'number of outlets per flow column' though, generally the flow indicators are being used 1 flow column to 1 outlet.
TECHNICALLY, you can use one flow indicator and then split off AFTER the flow column, which means you are actually applying ~0.4 us gallon/minute through the flow column before it is split off two your two rows of ~0.2 us gal/minute.
The downsides, is that you lose 50% of your accuracy. (e.g. if one row is out 20% of the flow and the other is perfect, you'll only see 10% total volume variation in the ball height)
So, just as long as you understood that, your math is correct for a 1:1 ratio.
So for the flow indicators, if you were using the flow columns, I'd reckon a low-flow column (#20470-00) size would be the most suitable, and you'd be using the red glass ball in your site glass.
if you were using the standard flow columns, it would work as well with the red plastic ball, but if you were applying in colder parts of the day when the liquid fert is quite viscous, the red plastic ball can float on the liquid without flow (which means it isn't doing what you want). Generally that'd only be the situation if you were running 10-34-0 or denser liquid, but I've had thicker blends of 28-0-0 still have it happen in the colder parts of the morning until things warm up. This is why I do like the low flow column as you can use the red glass ball in the column which wouldn't float in any situation.
Let me know if that makes sense,
-Lucas
Edited by WilgerIndustries 4/28/2025 13:00
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Gallons to the acre
