Originally Posted by
BioFarmer93
Jim,
"Concentration" refers to electrolyte strength, not number of plates. You didn't state whether you had connected the second unit independently, in series, or in parallel, so it's difficult if not impossible to ascertain the voltage & amperage supplied to the reactors. The plate's configuration (pos, neg, neutral and number) as well as preparation, flatness, hole location & size all play a role in production volume.
PWM's are not necessary on any 6 neutral and larger 5 neutral reactors- the latter of which are usually heat regulated by coming off a bit from the 28% max KOH concentration. A 6 neutral reactor of any physical size will not overheat due to the voltage distribution (in a nominal 12V system) across the cells being closer to the idealized production efficiency norm. This simply means the available voltage is not wasted in heat that is produced when the voltage too greatly exceeds that which is necessary for gas production.
Dirty/oily hands during reactor assembly are anathema to good production. Anywhere that skin oils (or any other occluding material) are on a plate results in a non-productive area. It is not much of an exaggeration to say that the best built reactors are prepared and assembled in an almost "surgically" clean manner.
Please relate to us the plate thickness, gasket thickness, connection method, plate preparation steps, etc. so that an accurate analysis can be conducted- and we should be able to have you bubbling away in no time... Take care-