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ahhhh so I was vacuuming and I actually noticed that there is still tint of green/yellow on the bottom of my pool. Is this definitely algae or could it be something else? If i brush over it...it forms a cloud...not a very good picture below...

Awesome...the water actually looks quite clear now with white residue left from the algae. Do you think I should just vacuum (to filter) or (to waste)? Do you think my Hayward SandFilter S220T will pick up most of this stuff, and then I will just back wash? I don't want to vac to waste if I...

I finally received my Taylor K-2006 and just ran a set of tests. FC - 9-9.5 CC - .5 pH - 7.9 (acid demand - 5 drops) Alk - 200-210 CYA - 45-55 Calcium - 225-240 I have ranges on these because I ran it twice (except for CYA) and wasn't positive which one to take but it all appears to be close...

The water looks like the pictures above. It's clear but I see green yellowish color on parts of the floor of the pool. Does that look like algae to you?

2 Days ago I added 2 bottles of liquid chlorine....which should have raised my Chlorine level to approx. 15 PPM, and I added granular shock the following day (last night) and my Chlorine level is probably 25 PPM now. I did see some white milky residue left from the algae, however, I still see a...

How can you tell when it has gone bad?

They tested only FC and stopped there...

How often would I need to replace the test reagents for the Taylor 2006? The season is coming to an end and by the time the kit comes to my door, I would have less than a month left. Can it last me until the end of next season? I can't seem to find any literature on this.

Is there a reason why Leslie would not test it at my chlorine levels? Also, were you able to figure out from the pictures if this was typical green algae? or mustard algae? Additionally, what steps should I take in the mean time to cure this algae with my current readings? Thanks!

BioGuard ALEX vs Leslies Pool Hi all--I have a 18K gallon pool and I have recently been having too high of a pH level (approx 8.0+). I added 4.5lbs of Lo N' Slo (Dry Acid) last night and here are my current readings this morning from a pool store that uses BioGuard Alex system: CYA: 90 Total...

Hi all-- I am beginning to see a green yellowish color on the bottom of my pool, which is resulting in greenish-tinted cloudy/hazy water. My current readings from Bioguard's ALEX system are as follows: CYA: 90 Total Chlorine: 4.1 Free Chlorine: 4.1 pH: 7.6 Total alkalinity: 168 Adj. Total Alk...

I can't ever get a break...so I noticed wet spots around my pump. I have no idea where it might be leaking from but as you can see below there is a wet spot that builds on the left side of the pump. I have checked all four corners of the pump noticing no leaks whatsoever. It is just wet on...

It is like 2 weeks new, i guess i shouldnt have to worry, thanks for your help!

What does it suggest if there is alot of sand in there?

I have a brand new 22in sand filter (250lbs) with a 1 HP pump. I noticed that there is always sand swirling in the site glass when I backwash, is this normal?

When I opened my pool about two weeks ago, my water level dropped 1 foot (approx 6K gallons of water) from the initial water level when I closed my pool in September. This makes me believe that there might be some damage with my liner, but I have checked and have not noticed any thing different...

Cubbybeave08, that sounds pretty accurate, it only settles in the divots and creases of my liner and on the stair steps, which is why I don't think it's necessarily mustard. However, my phosphate reading is 500, which is the main source of algae growth, which makes me think it might be algae...

thanks madwil, I will keep that in mind. If this stuff is not algae...and is just debris that my filter cannot catch, what solution do you guys propose in catching this stuff? I have tried vacuuming to waste, but it still comes back...

test results posted above. thanks guys!

I can tell you my chlorine level was excessively high 2 days ago when I took these pictures, I will post a full set of results soon. Also, I normally use an algaecide for maintenance.

I have been fighting this stuff for the past 2 seasons. I am not sure if it is mustard algae or if it is just pool dust/debris that my sand filter cannot catch. I have tried vacuuming it to waste, but it seems to just come back. Can someone please help me identify what this stuff is and what...

What is the quickest way to remove 250lbs of sand from a sand filter and how long would it take?