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I'm not sure if this is semantics or important but I noticed a difference between the provided/printed instructions and their video. The written shows Fill to 10ml, 10 drops r10, 3 drops r11, then r12 one at a time. The video shows Fill to 25ml, 20 drops r10, 5 drops r11, then r12 one at a time...

We have a Jandy LRZ natural gas heater. This is a new issue and we've previously had no issues for 4 seasons of use. The heater is heating the spa to about 90 and stops. I use iaqualink and the temp is set to 102. The control panel on the heater is cycling the three messages below: SPA HEAT...

1- Thanks to everyone who makes this forum run and a reliable source of great information for pool owners! 2- I just completed my first SLAM and finally have a decent grasp of the numbers, related chemicals and the pool math site. Here's my dilemma/question: Are there target numbers to...

I've SLAMmed all day and have had minimal drops and kept the FC at 16 (40CYA) with a few small additions. CC has been at .5 the entire time. Broomed the entire pool multiple times. Heading to bed and it's started dumping outside. Should this impact the results of the OCL test? I'm...

Thanks for the great site and advice, I'm finding TFP invaluable and appreciate of the friendly, expert advice and guidance! I've recently started doing thorough testing (used to check chlorine and ph only) with a TF-100 kit. I've gotten some results that are moving somewhat sporadically...