There are instances where farmers mostly tend to draw the table down, but we gotta eat. My main complaint is the way the govt presents it to the general public as if we are actually going to run out of drinking water. It's cyclic and that's about all there is to it. Except in the case of over population and the water dept's take the water from wells or inland water sources and dump it into the ocean. If they would let it percolate back into the ground like we did years ago, things wouldn't be so bad. But hey... there's money in sewage disposal and water.
I'm not too sure what option your referring to since we sort of got off topic a bit with my rant. Sorry!
You can basically get a 1 cu ft or a 1.5 cu ft. I have never seen a 1.25 unit.
I once had a home that had 46 grains of hardness. I put a used commercial unit together just so I could get through an entire day before the unit had to backwash because of running out of capacity. They do make two tank units that take turns backwashing while the other is in service for that kind of water. 23 grains is pretty hard and I think a 1.5 cu ft would be a better option for you. That is 1 and 1/2 bags of resin which come in 1 cube bags.
If we saved 1000 gallons of rain water to water our lawns in Aug. we would save alot of water when it is at it's shortist supply.
If you were on city water, you would have about 13 gallons per minute to use for watering. So your 1000 gallons would give you almost an hour and a half of watering time. But (and I don't want to do the math because my eyes would probably start bleeding) how long would it take to replace that 1000 gallons and how would you obtain it? I'm just asking because I'm curious.
I was just looking at the chart above to see how much water he used to water his lawn. I don't beleive people should water their lawns and if you just water plants and flowers a 1000 gal. would go a long way. Up here we build alot on hills and mountain side and then we gather the water from the roof and perimeter drains and even surface water drains and dump it all into a city system. Most of our flat land below is reserved for farm land which often gets inundated with run offs that damage farmers fields. As we live on hills we often build foundation deep on the high side and fill garages with 3200 cubic feet of sand where water could be stored and gravity feed garden areas on the low side. We get lots of rain here but I beleive grey water systems should be the rule not just a cute idea.