Gathering info for my upcoming Skunkie 300B build.

I have a question on the 300B cathode bypass cap.

I just recently completed a TU-8600S kit build. This amp is really starting to grow on me. (Will be updating my review shortly). Seems part of the “secret sauce” for that amplifier is the use of low ESR capacitors in key locations. This is emphasized in the instructions.

Low ESR (equivalent series resistance) caps are also called Aluminum Polymer Electrolytic. Apparently they “respond” faster than the standard Aluminum Electrolytic cap for crisper audio and less smearing.

Wondering if a low ESR cap could be used in place of the 100uF 100v 300B cathode bypass cap?

Here’s the rub: The highest value 100 V polymer cap is 47uF. I was wondering if it would be acceptable to run a pair of these in parallel for 94uF? I imagine this would further decrease the ESR also.

I have read, but don’t understand, in some circuits too low of an ESR can be a bad thing. Is there any risk from doing this?

Another thought would be to run two of the typical electrolytic capacitors in parallel. This would reduce the ESR also, but nowhere near as much.

I would love to see this set up scoped but I don’t have the equipment or technical know-how. Skunky? Are you up for it?😊 I know you are very busy! However any thoughts would be helpful.