Mash temp drop

[brewinhard]

@ynotbrusum

Maybe the opening of the mash tun multiple times/for an extended period of time may have more to do with the temperature drop than the vessel, itself?

This^^^^?

[Philbrew]

@GarretD

My target mash temperature was 152 for my last 2 batches. Hit it right on for the first 10 minutes. At the 30 minute mark I’m down to 146. I’m using an 10 gallon igloo cooler, 5 gallon batches. Ive been adding2-4 quarts of 170 water to bring temp back up to 152. My question is it even needed? Is that an acceptable drop? Or should I be adding it even earlier to keep it right at 152 for the whole mash.

Sent from my iPhone using Tapatalk

On some coolers, sometimes water/wort can seep into the cooler’s insulation space via a poor seal at the valve and cause ineffective insulating.  Pull the valve and check for liquid in the insulation space.

Also the cheaper orange Igloo coolers are not insulated as well as the spendy yellow ones.

[syncopadence]

Yeah that’s quitea drop. I’d be looking for cracks/openings on your mash tun. I used a rectangular cooler for a while and it held temp great.