Swimming pools blog

9 responses so far ↓

• 1 janis_40 // Sep 20, 2003 at 8:25 am

  Nick you did not say what type of filter you have and how long you run your
  filtration system exch day. You also did not say how big the pool is and how
  big the dose of shock was. Generally you use most shocks at one pound per
  ten thousand gallons pool water for normal shocking but when you get algae
  you need to increase the dose from three to five times normal. You also
  should run the pump 24/7 until the pool is clear.

• 2 Neva Marjory // Sep 20, 2003 at 9:51 pm

  It’s a sand filter, run at 4-5 hours a day. Nobody is using the pool
  at the moment and it’s pretty much free of debris as far as I can
  tell.
  The pool is 20k gallons and I used the dose recommended on the can
  (one litre I think).
  I was just curious about the readings (low chlorine when I’d put a
  high dose in).
  Nick

• 3 Neva Marjory // Sep 23, 2003 at 8:17 am

  Electricjet made a very good point. No pool is going to clear up
  without constant filtration. Cloudy water does not only happen due
  to chemical problems, it can be a problem with the filter too, and
  chemicals alone will not clear a pool up. Covering the pool will not
  help your situation any either. The pool needs to be left running 24
  hours a day and left uncovered until it is clear. When was the last
  time your sand filter was chemically cleaned? What kind of shock did
  you use? Was it a liquid or granular? Which type specifically,
  Lithium? Calcium hypochlorite? It doesn’t sound to me like you
  added enough chlorine to kill the algae…..
  — In homeswimmingpoolowners@y…, “nick_walczak”

• 4 Neva Marjory // Sep 24, 2003 at 3:45 am

  OK, I’ll put the filter on constant…
  Why should the pool be uncovered BTW?
  Is ‘chlorine shock’ the same as plain ‘chlorine’.
  As you say, there probably isn’t enough present. I only have slow
  release chlorine tablets which are obviously designed to maintain the
  level, not start it up from nothing.
  I used granular chlorine shock (I’ll have to check what sort it is).
  I don’t know when the filter was last cleaned or sand replaced but
  someone else commented that the pressure across it ’sounds normal’ so
  we’ll try the chemical angle first Thanks
  Nick

• 5 Neva Marjory // Sep 25, 2003 at 6:42 pm

  Nick,
  when you “shock” the pool, in other words, super-chlorinate, the
  cover should ALWAYS be left off for several hours to allow the water
  to oxidize. Your water needs to breath. Covering it also inhibits
  algae growth. Are you covering it with a safety cover or with a
  solar cover? Also, chlorine shock is not the same as regular
  chlorine in relevance to the dosage. Chlorine shock is meant to
  raise your chlorine level high quickly, and drop it down quickly.
  Saying that you are going to take the “chemical” angle first doesn’t
  solve your problem. You could add tons of chemicals to the pool and
  only make the situation worse, as well as waste your money. If the
  pool is still green, you have not hit it hard enough with chlorine to
  kill the algae. Once that step is complete, you need to make sure
  that your filtering system is working properly. Once again, I stress
  the importance of chemically cleaning your filter once a year at
  
  LEAST. If you don’t figure this out, you will keep spinning your
  wheels with this.
  — In homeswimmingpoolowners@y…, “nick_walczak”

• 6 Neva Marjory // Sep 26, 2003 at 2:11 pm

  Every time we had customers that had this problem, it was *both*
  chemical and filtration based. The chemicals were either old, or
  way over used, and the filter was in terrible condition.
  In one really bad circumstance, we had to resort to flocking the
  pool and starting over from scratch.

• 7 janis_40 // Sep 30, 2003 at 2:06 am

  Not a good idea to clean the cartridges at the carwash it is hard on the
  fabric. A better way is to let them dry and brush out the dirt. This is
  straight from the UNICEL rep.

• 8 robbie_50 // Oct 2, 2003 at 9:25 am

  I had that one time and had mustard alge.Had to treat for that.It eats
  clorine up.Buy the treament at pool place or Walmart.Have to put all
  nets,hose ,scrubbers in water with treament soak all night.Then shock
  it.Should do the trick.
  Keep The Faith
  Retta
  (-36)

• 9 robbie_50 // Oct 3, 2003 at 4:54 am

  I take a large bucket with cartrige cleaner and soak the cartrige in it
  for 1 hour .Does a good job cleaning it.The chemical smells like 409
  wonder if that is what it is?
  Keep The Faith
  Retta
  (-36)

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