NJPools.club Community

PANIC MODE: Blue stains on liner and green hair after using Pool Frog

Confused: My 'copper-free' mineral cartridge is causing green liner stains

Furious: Black algae in grout after $500 professional cleaning - is this normal?!

PANIC! Black algae behind Hayward lights in my gunite pool - won't die!

Discussion: Regional water differences affecting algae vs stain identification?

Frustrated with Pentair pool: Greenish-black stains won't budge with chlorine!

Angry rant: Pentair Intellichlor not holding chlorine overnight in vinyl liner pool

Question: Do I need to remove my pool lights to treat black algae?

Curious discussion: Does pool type (vinyl vs fiberglass) affect algae in light niches?

Furious in Colorado: My vinyl pool with Nature2 mineral system keeps failing OCLT

Confused about OCLT: My above-ground Intex pool in Oregon has clear water but algae returns

Panicked in Phoenix: My Hayward chlorinator keeps failing OCLT in gunite pool!

Discussion: Are mineral systems worth it given the copper staining risks?

HELP NEEDED: Green stains on vinyl liner after installing Mineral Pure

Why is my hair turning green with a mineral system but not with chlorine?

Furious! Paid for 'natural' system, now my concrete pool has blue stains

Curious about mineral systems - do they all secretly contain copper?

Angry about blue stains on my new gunite pool - mineral system scam?

EMERGENCY HELP! Black algae explosion behind all 4 Pentair lights in gunite pool!

Discussion: Regional differences - is black algae worse in humid climates?

Angry rant: Pentair light niches are algae hotels - $2000 pool and still black spots!

Frustrated with Intex pool: Black spots on liner - algae or staining from well water?

Angry at pool store: Sold me ascorbic acid for 'algae' that won't clear!

HELP! Black spots spreading on plaster after shocking - wrong treatment?

Curious about testing: Best methods to identify black/green spots on gunite?

Panic mode: Black/green spots on plaster - algae or metal stain?

Discussion: Do certain pool finishes (pebbletec vs plaster) affect OCLT results? (Context: Curious user with a pebbletec finish in Arizona wants to understand if surface type contributes to overnight chlorine loss.)

Curious about Jandy Aquapure: OCLT failure but water looks perfect in Texas

HELP! My blonde hair turned green after swimming - is my pool safe?

HELP! Black algae behind ladder in my Intex above-ground - spreading fast!

Panicked in Phoenix: Greenish stains on plaster after adding algaecide!

Confused newbie: How to tell algae vs metal stains on vinyl liner?

PANIC MODE: Algae back in 24 hours after slam, Florida gunite pool with Pentair

Is my pool store lying? CC at 0.8 but water is crystal clear in Michigan vinyl pool

HELP! My concrete pool in California keeps failing OCLT with Zodiac chlorinator

Confused newbie: Why does my fiberglass pool keep getting algae with 0 CC?

Confused: Why does black algae only grow behind my pool's ladder?

Question for experts: Do black/green spots on fiberglass indicate algae or metals? (Context: A confused user in Ohio with a fiberglass pool asks experts if black/green spots are likely algae or metal stains based on common indicators.)

Is this normal? Blue tint to water and stains with my new mineral cartridge

Confused newbie: What are these black dots in my pool's grout lines?