Buying new pool pump-I need your help

[ufasuperstorm]

Good evening,

My pool pump died and I need to replace it. I currently have a 2 HP pump and my pool is a 10,000 gallon pool. Here in Houston I have been running my pump on a timer 12 hours per day. I was debating if I can buy a .75 HP or 1 HP pump and run it 24 hours a day which would be the same electricity or less but I also feel I would save money on chemicals by having 24 hour circulation. I want to know your thoughts along with any pros or cons. Also if you agree with switching to a lower horsepower pump would .75 HP be enough? I appreciate any response and I apologize for not looking in this forum to see if my question was already posted.

Cheers

 

[Patrick_B]

No problem, and Welcome!

What kind and what size filter do you have? You could do with less than 2hp for sure, but I'm not sure I would go 3/4. I would say 1-1.5hp.

 

[ufasuperstorm]

No problem, and Welcome!

What kind and what size filter do you have? You could do with less than 2hp for sure, but I'm not sure I would go 3/4. I would say 1-1.5hp.

Thank you for your response. I have a C-9419 filter. Would you recommend running a 1.5 HP pump 12 hours or a 1 HP pump 24 hours? And why not the .75 HP. From what I read a .75 HP should circulate enough GPM to keep the pool clean? Can you please help me understand the relationship between the filter size and horsepower?

Cheers

 

[ufasuperstorm]

I have decided to buy a 2 speed pump to save electricity. I have read online in the slow setting it uses 1/2 of the HP? So this would reduce the GPM? Now I have to decide if I should go with the 1.5 HP, 1 HP, or .75 HP. Which size do I need to effectively circulate my pool water? The 1/2 is what is throwing me off. (So if 1 HP gets 80 GPM a 2 speed 1 HP pump in the slower setting will only circulate 40 GPM?) Would that work for a 10,000 gallon pool?

I ended up buying a s 2 speed 1 HP pump. I will let you know how it works out.