Using half a packet of liquid yeast, saving the rest?

Well I fit it all in the title. I'm making a small hefe batch today (1.5 gal) where I'm going to try 2 different yeast in 2 separate fermenters, .75 gallons each. I have Wyeast liquid packs for each. One is an Activator, one is a Propagator. I'm assuming I don't want to pitch a full packet into .75 gallons of beer, so how much so I use and how do I save the rest? I was thinking a starter but I'm trying to brew today. Can I just put the other half in a jar?

I would make the brew a little bigger volume wise (1/2 gallon or so)
I would then dilute it down to 1.035 and put the other half of the liquid pack in there.

babalu87 said:

I would make the brew a little bigger volume wise (1/2 gallon or so)
I would then dilute it down to 1.035 and put the other half of the liquid pack in there.

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Hey I'm not sure what you mean. The brew is 1.5 gallons base hefe. I'm gonna split it after the boil and put each half ~3/4 gallon into 1 gallons glass jugs and use a different strain on each half.

Make it so you have an extra few qts of wort to water down for a starter, pitch the rest of the yeast pack in that starter.
When it finishes up you should have pretty close to enough for a full batch

Oh I got ya, great tip thanks. So I just decant into a bottle and cap it right?

magnj said:

Oh I got ya, great tip thanks. So I just decant into a bottle and cap it right?

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I'd put the yeast and wort into a gallon container and let it ferment out. Then you have yeast you can use for up to about a month later.