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Thread: NOOB: Filter Opinion, Beating a dead Horse

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    Join Date
    Jul 2015
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    NOOB: Filter Opinion, Beating a dead Horse

    So I am new to the forums, but have been reading constantly, moved into my house last year. We have an old Gunite pool. I live in CT. All the equipment is from the 1990's (YIKES), but it all still runs, and does the trick for now. 1HP Magnetek pump, and some old metal sand filter. Even the piping is old flexible black PVC until you get to the equipment, where it connects to regular 1.5' PVC. I believe the pool is 34 feet by 15 feet avg depth is 4.5 feet (between 12k and 13k gallons) I've been in the pool once, its way to cold to swim in. I want to change that, to make it a usable pool.

    To start I'm going to replace the pump with a Pentair VS 1.5HP pump (or two speed), and I'm also adding a 266 BTU Raypak heater. All the equipment is located in a shed where part of the floor is cut out and the equipment is placed below the floor on a cement pad. Pretty crazy looking. I plan to replace the floor cutout and keep everything in the shed. I live in the woods and want to minimize the chances of rodents finding there way in my equipment. I keep reading there is no rule of thumb for filters. I'm about to have a kid, and I'm not in a position where i want to spend lots of time back washing and then adding chemicals, etc. My thought was a Pentair clean and clear cartridge filter 320 Sq.Ft. I prefer to oversize the filter to extend periods between cleaning. The hesitation comes from where my pool is located. Its on the side of my house, It barely gets any sun except in the morning because of the positioning of the trees, and I seem to be cleaning out leaves, and Acorns, or worms depending on the time of summer. I also have to vacuum weekly to get all the dust out of the bottom of the pool. My friend who's parents have a pool said I'm crazy to get a cartridge filter, because I will be cleaning it constantly. Should I be looking at a DE filter at this point. I'm just looking for some direction, and to be put at ease. I'm very new to this pool stuff, and the pool is only open 4 months out of the year, and want to be able to enjoy it. Cartridge seems like a very good option, but i dont want to buy it and regret it.

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    Texas Splash's Avatar
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    Jun 2014
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    South-Central Texas, Marion/San Antonio
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    Re: NOOB: Filter Opinion, Beating a dead Horse

    Hello and welcome to TFP! DE filters are great and can provide wonderful water clarity, but they also can clog-up if algae or environmental situation present themselves. Just about any filter will really. Having a larger cartridge filter should spread-out the time between rinsing that is required, but remember ... no filter will fix a chemical imbalance, and that's where many pool owners make their first mistake. So priority #1 must be to obtain either a TF-100 (link below) or Taylor K-2006C test kit. With either kit, you are guaranteed fantastic testing capability to manage your water. That in-turn will take stress off of any filter design you should chose.

    Having a skimmer sock and good circulation to move that surface debris to the skimmer before it sinks is especially important in your situation. I'm sure you'll receive some other ideas and opinions from people wo love their filter type. Nice to have you with us.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    mas985's Avatar
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    May 2007
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    Re: NOOB: Filter Opinion, Beating a dead Horse

    My friend who's parents have a pool said I'm crazy to get a cartridge filter, because I will be cleaning it constantly.
    People who say this had the wrong size filter and yes, if it is too small, you will be cleaning it often. Get as big as you can and you will clean it maybe once or twice a year like me.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    Join Date
    Jul 2015
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    STAMFORD, CT
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    Re: NOOB: Filter Opinion, Beating a dead Horse

    Thanks for the responses guys. Coincidentally I had ordered the TF100 kit about 5 minutes before I post this thread. I think I'm going to order the cartridge filter. I'm assuming 320 sq ft is fine, as i should only need around 200 with the size of the pool, and since the pool is only open 4 months i have to clean it once a year anyway, no point in going way way bigger.

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