I think using estimated OG is more accurate than measured with partial boils. Its tough to get everything mixed, especially if you primary in a carboy.
Just bought a 5 gallon pail (60 lbs) of locally produced raw, filtered, WF honey here in Maine for $155. That's $2.60/lb. That beats any mail order pail I could find. I was very surprised, don't rule out the local sources without checking prices first!
For simplicity figure pilsen lme and pilsen malt yield the same ppg, roughly 37 ppg. You just have to account for loss of efficiency so you scale up the pilsen malt by 30%. You need 5 * 70% or roughly 7 lb 4 oz pilsen malt. Keep everything else the same. Hope this helps.
Goal on the input side is to have as little restriction as possible. Ideally, this means nothing less than 1/2 inch ID between the source vessel and pump input. I have this with my pump and when I open my source (Mash tun) wort will flow from the tun through the 4 feet of tubing, through the...
I set a 6 gallon better bottle or bucket inside a wine bucket, place a brew belt at the bottom of the out bucket, and wedge my stc probe between the buckets with foam insulation.
I have had no problems maintaining 10-15 degrees above ambient this way.