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When I test my chlorine with FAS-DPD and slowly drop the liquid in until it turns clear, if I wait 5-10 seconds afterwards, it turns light pink again to where I could put 1-2 more drops in again to get it clear. Is this normal? Which result do I go with? The one that intitially turned it clear...

I am finishing my SLAM by increasing it to mustard algae levels for 24 hours. However, it looks like I will run out of my FAS-DPD reagent before I am done testing the chlorine o_O I have another bottle coming but it won’t be here in time… Can I stretch out the little I have left my diluting my...

I am starting a slam since this algae *keeps coming back* slam after slam… This time around I’m planning on ending this slam with mustard algae slam levels to try and nip this in the bud so it won’t come back. But I’m curious if you can help identify if this truly is mustard algae from the pics...

New pool owner here :wave: I am getting ready to do a SLAM for what I think is mustard algae. How in the world do I clean behind the light cover and drain covers without hiring a professional? Here is a pic of the light fixture and drains we have (ignore the iron stains by the drains — we have...

Hey guys! Since day 1, I feel like I have been testing my CYA incorrectly. Long story short, when I add CYA to get my levels up to 70, I get algae in my pool right away although my FC is what is supposed to be from the CYA chart. This is year 2 of this happening now. So I decided to take a pic...

Hi all! My S200 is going in the shop since it stops soon after starting. I've taken it completely apart, cleaned it, even removed the motor to make sure there was no sound of water in it. Can't figure it out. Warranty is about to expire in 2 months so I'm going to drop it off to the store to get...

Hi all! We've had our Dolphin S200 robot cleaner for a little less than 2 years and it just started acting up. When we turn it on it will turn off shortly thereafter. I've cleaned it out well so that's not the issue. When I take it out of the pool, turn it upside down and turn it on, the left...

Update: thanks to @mguzzy I have confirmed the spots are iron stains. What is the best/easiest/cheapest way to get rid of this small area of stain that’s around 6x4’? Will I need to wait to treat until after SLAM is complete? Will the stain come back next time I need to SLAM (I read on here that...

Our pool was installed a year ago and we had an overflow drain in the skimmer box. After having the pool for a little while now, we realize that they probably drilled the hole too low. Our pool water level won’t rise more than just a little over minimum level before it drains out. I would like...

We are brand new pool owners. When building it, we opted for a mesh safety cover for the winter. I've read to close a pool we can (simplified version) drop the water level below skimmers and then shut off pump. BUT our pool company told us to basically keep taking care of our pool like we did in...

Is it more important to keep water chemistry values in the target ranges, or is it better to keep CSI balanced? I attached my current water results for your review. And although everything but TA and CYA are in range, my CSI shows it’s at a corrosive level. And when I play with the calculator...

I want to preface this by saying I am an avid learner and I love to understand things. It helps me to learn much better when I understand. I’m asking this not to stir anything up or choose a “side” but rather to truly understand. Why do I receive 2 very different recommendations when it comes...

Need help with my test results. Brand spanking new pool owner here and I got my TF-100 Taylor kit yesterday!! Please bear with me as I will start from day #1 when pool was completed on 8/14. On day 1 that my pool was filled (8/14) it was clear but within a couple hours that the pump was turned...

Hi all! We're installing an IGP in the next couple weeks, and when talking to the PB about pump placement, he mentioned we didn't want to cross the pool pump water line and the house water lines. Let me give you an image of our backyard. When you walk out our backdoor, from left to right is...

We are about to sign a contract for a pool tomorrow and would love any advice! Please bear with me, I am a total pool newbie but know tons about building a house. Here's where we're at: ($16500) 16x36 rectangular saltwater, vinyl pool with 8' diving board ($1200 board). Was told this is the...