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Thanks much I found one online @ Pool supply world for $20 perfect fit based on Pentair filter # CCP 420. The lube however is necessary to seal the air gaps around the O ring otherwise the water will leak. Will be careful with the stretching as well.

I removed the top half of the Pentair Clean and Clear Plus 4 cartridge filter for a 16,000 gal in-ground and after switching to clean cartridges the black circular "cord" which fitted well around the bottom unit last time (6 mos ago) is now extended in length (somehow) by about 1.5 inches and...

yes you are likely correct, they are probably online will need to try pull old one out thnaks

i recently replaced in the above ground mounted light fixture an ARCSTREAM metal hallide lamp (online), which powers two underwater lights at deep end and one in spa. This replacement resumed the light power but when new I recall the light system changed lights colors but doesn't now. THe white...

FC 2.5 CC 0.5 CH 250 TA 125 CYA 60 The pool water is clear no issues but have stubborn black algae spots which appears in two layers. The top "biofilm" layer is shiny which (steel) brushes off easy leaving the more stubborn layer underneath the shiny layer which is embedded into gunnite floors...

Many person have admitted to "too high" CYA readings in their pool water and I witnessed a pool serviceman drain a pool with a pumping machine at very fast past. So if one wanted to drain pool water in the case of Too high CYA, a question arose among my friends concerning whether 1. to drain...

I saw a 2007 post about Borax used as algestat in pool from pool owner "Dive in the water gr8" and wondered if other pool owners have used Borax in large quantity level (50 ppm) for control of green or other algae. ? He appeared to have success. thanks

Simmer read your response correct me if wrong but are you saying "take cartridge filters out of pump, replace lid, tighten etc, then run system without cartridges but with bottom pump drain exit open to allow pump water to drain thereby exiting the pool water at much faster clip / volume than...

I have a fifteen year old outdoor timer which on certain days for NO obvious reason shuts off in the middle of a daytime automatic time session. The last time it shut off like this was perhaps two months ago. It just shut off a few moments ago as saw the spa water still from window. Other than...

Allisonmarie, quick tip on city water refill costs, when I called the city water department and told them I was draining the pool 16,000 gallons, they gave me a credit on the water bill based on the refill usage NOT being from toilet flush activity. So try it might make a difference on bill next...

RussellC I found the Red bag of MELT at Home depot online 25 lbs for 16.99 no delivery $$ if send to HD then go pickup (they notify you by email).. Then I tested regular pool water and CH read 150 ( 6 drops). Then added 1/4 teaspoon w pail of 4 gal water and CH read 300 (12drops). So went to...

thanks Jpyfulnoise FYI, I just called "Snoejoe" 1 866 766 9563 www.snoejoe.com and when discussing the "snoe joe de icer" to confirm the % CC, the conversation shifted to swimming pools and the young lady there said the Chinese manufacturer said the product is a de-icer only and has not been...

RussellC is the Snow Joe product called "MELT" thnks

THANKS will check out the Snow Joe and querry the CC % of Ebay "tetra flake" as ebay sometimes charges No S/H for items.

I saw / found a 50 lb bag of tetra flake on Ebay for $35, Leslie's print out said I needed to add 38 lbs. Will also check the De-Icer listings thanks

I noticed in Pool - Chemistry a suggestion was made when increasing CH to use either of the following (which is cheaper than Leslie's Calcium Harness powder sold in 4 lb jugs. Pelalow, Dowflake, Tetraflake, or Tetra 94. If so has any one tried these and if so what dosage was used per 1000...

Will draining the spa down 50 % or more for cleaning out dead algae in any way cause a pop out ? Spa is of gunnite construction built attached and along side pool.

Thank Swampwoman, AimeeH, and kiss4afrog todays test w TF 100 show FC 5 CC 1 so TC 6 Calcium: 150 CYA 65 which higher than 30 on Sunday 8/13. Pool water is loosing green complexion and after two days of 3 jugs Great value 121 oz @ 8.25%, see lighter thinner green or more clear near shallow end...

thanks duraleigh, isn't poly 60 known as the better of the algaecides with the most productive effect on black algae? So a person buying the $55 1 qt bottle is getting the same liquid as a $18 qt bottle as Griswald refers to? thanks

Just a general question if all US "algaecides" are all made by the one manufacturer, why is there such a variance on eBay / amazon for a one qt. bottle from $ 18 to $ 55 + ? Just wondering any insights appreciated.

Thank you AimeeH one last Question is it better to either replace or wash the 4 filters before the SLAM begins (with all the bleach everyday going through the 16,000 gallon system and I have a spare set of 4 filters), or change or replace filters after a certain # days of the SLAM. ? My WP was...

thanks Kiss4afrog, when you say "adding often" you are referring to "bleach or Liquid chlorine" correct ? Would it safe to add the same amount 284 ounces bleach everyday until see progress ?

Thank you AimeeH, the three tests are OCLT, CYA and the other is ? thanks ( my family roots began in near Inman SC about 25 miles from Spartanburg beautiful southern cities.)

My 16,000 IG gunnite pool has in last few days been turning cloudy and we were hit here in SE the last 2 days two days with steady rain just stopping today. Using the just arrived TF - 100 kit I have since the rain started lite green pool water sorry no pic but looks similar to pic on pool math...

In case you are interested (not) Dollar Store sells a jug of bleach called "The Home Store bleach" (96 0z.) for $1.00 each per jug + tax. Jug contains only 3 % sodium hydro chlorite and does not have that standard sweet bleach smell or yellowish color. Also the % is not listed on label which...

thanks Walmart (online) has a special mark down from $ 59.99 to 46.49 (no store pickup free shipping) on the K 2005 so just wondered.

TF 100 + speedstir will test for CYA ?

As an alternative to "hold the hanging sock in front of return jet" can I fill the sock then walk around the pool squeezing the sock until all powdered sediments have dispersed from the sock into pool water? i haven't yet found a way or technique as above to secure the sock to the return jet.

Can an experienced person advise whether to get the taylor K - 2005 or the TF - 100 Kit? Not sure from product descriptions if either will test for CYA ? thanks

Re: What are the cause of these stains & how do I get rid of them? - Need recommendat are the Vitamin C tablets available at say Walmart or do need order online ?