In ground pool with 11 year old filter and sand. Last summer I noticed this problem while vacuuming after shocking pool for visible algae.

This spring I am late on...

Should I drain and clean or add chemicals and water.

* Problem: I have fibromyalgia and did not get a chance to close my pool properly at the end of the summer. Husband...

Hi,
Every spring a have loads of worms in my pool; which rot and create an algae problem. I have one of those stretch covers, but it doesn't seem to keep them out. Does...

Problem : I have algae in the pool I have been fighting with low chlorine for about a month now. Got samples done at local pool store they tell me everything is fine...

Good afternoon

At what water temperature does algae cease to grow?

I am quite proud of the pool this year having learnt lots of tricks here.

Last week though, the pool had no use so the water was not being churned other than from the...

I’m new to the forum but not with pools. I have an 18x36 oval, in ground, vinyl liner with sand filter and pump sized correctly. It’s a “chlorine” pool (as if there’s...

I’ve been battling with this for three years and a later months of the season. My total chlorine is five ppm and my free chlorine is five ppm and even if I shock it to...

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Problem : pool is green all numbers are before adding 4 pounds of baking soda then 2 gallons of shock

FC : 6.79
TC : 7.24
pH : 7.7
TA : 70
CH :...

I've been an inground pool owner for 10 years....I've experienced green algae before but nothing like this spring.

We had 6 straight weeks of heavy rainfall, and before...

Water is passing through the filter and the pump. The only unusual things I notice are that when backwashing (a) dirty green water is visible at the top of the filter...

I have had a pool for almost 20 years and have NEVER had trouble like I'm having this year.
Here's my pool details--28,000 gallon, vinyl in ground, use the Frog auto...

my inground is surrounded by my trees and neighbor's trees so algae and leaf debris is constant. We keep a solar cover over most of it, but it's a losing battle. I like...

Intex 9x18 stock intex sand filter. 1st year with a pool, filled by the fire dept with lake water end of June. Was crystal clear after shocking and 3 days of filtration....

I have a pool that goes green the same week every year. Usually the third week in June. In anticipation of this, I make sure my chlorine level is on the high side and...

It's been over 2 weeks with chlorine level the color of iced-tea and pool is not clearing and very cloudy. I let the chlorine level drop to norm, and used algaecide and...