Unfortunately, you can not.
The coil is roughly 25 feet of 3/8" tubing.
A HERMS coil needs more than double the surface area to be effective. To do it right, you would need roughly 50 feet of 1/2" tubing. That would ensure that your ramp speeds are strong and that the coil is effective at controlling temps.
Pumps move wort through coils quickly, so you want a longer coil with more surface area to maximize your performance.
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