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I currently only have the skimmer as a water pickup point. (i.e., no main drain. The drain line developed a leak and we plugged it and I have never bothered finding the leak. For all practical purposes, we seem to be able to operate ok with it.) In that regard, pool builder guy said we need to...

I recently replaced about 40% of my water and new results show my TA is 100. According to PoolMath, I need to lower my TA by decreasing pH 7.0-7.2 with acid, and then aerate to increase pH. How do I "aerate"? Thanks

Last week I replaced about 40% of my water in order to reduce the CYA, which was up near 100. Checking my water yesterday revealed CH of 210, which is low. Is there a preference of liquid vs powder and is there a preference for calcium chloride vs calcium chloride dehydrate? Thanks

In the process of draining my water in order to get the CYA and CH to acceptable levels, I am comcerned about my plaster job, or the lack thereof. (See Will Chlorine Kill Black Alage thread in algae section for the whole tale) I have drained down enough to expose two feet of plaster (or what I...

I was reading the Taylor 2004b (instruction book that comes with K-2006 test kit) and it said that chlorine will not eliminate or kill black algae. The manger/owner(?) of the pool supply store in which I was reading this, echoed those same comments. So of course I bought some Black Algae...

Greetings, I was in a local pool chem shop looking for test kits, and that turned into a conversation with Manager/owner(?). As a part of that conversation, he said that liquid chlorine has a half life of 3 weeks. i.e., every three weeks the chlorine because half as weak. So after 6 weeks, your...

Hello, We had an outbreak of black algae due to lack of chlorine and have joined TFP for guidance. We need to raise our FC level to somewhere between the high and SLAM level according to the guidance. In pursuing this course of action, I realized we need a better test kit. However when...