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This is the place to discuss things such as water testing, chemicals, algae (green water), etc...

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Overstocking with Increased Filtration

TJeep_1999
Jun 4, 2021

Replies: 15

Views: 2K

Jun 7, 2021

CometKeith

Overfilled 250 gallon koi pond with tap water and koi in distress

AllyZee
Jun 28, 2020

Replies: 25

Views: 7K

Aug 31, 2022

Mmathis

Orange Foam/Slime in new pond

Old Lady Pond
Apr 8, 2021

Replies: 12

Views: 2K

Apr 8, 2021

mrsclem

Opinions on Pond Balance and Algaecide

mrteach3
May 15, 2014

Replies: 5

Views: 2K

May 22, 2014

Carol Wilson

Opinions on adding salt to pond

Jersey_Marine
Aug 13, 2015

2 3 4

Replies: 51

Views: 5K

Aug 20, 2015

Becky

opinion on my water chemistry readings

poconojoe
Mar 28, 2019

Replies: 16

Views: 1K

Apr 3, 2019

poconojoe

Olive drab colored water

2vettes
Apr 16, 2019

Replies: 12

Views: 1K

Jun 18, 2019

2vettes

Often ignored pollution source

Meyer Jordan
Feb 3, 2016

Replies: 23

Views: 3K

Mar 19, 2016

crsublette

O2 and Temp

buckry
Jul 1, 2012

Replies: 25

Views: 4K

Jul 5, 2012

buckry

Nualgi Ponds

DoDad
Apr 7, 2015

2 3

Replies: 30

Views: 7K

Sep 16, 2015

HARO

Now this I like!

Meyer Jordan
Oct 21, 2016

Replies: 7

Views: 1K

Oct 24, 2016

Meyer Jordan

Not Loving My Numbers

rocket_j_squirrel
Aug 8, 2019

Replies: 4

Views: 779

Aug 9, 2019

rocket_j_squirrel

Northern California Pond-Redwoods

kcroyster
Sep 7, 2020

Replies: 6

Views: 670

Sep 9, 2020

KimA.

no filter

ROB.LTX
May 29, 2012

Replies: 8

Views: 2K

Jun 2, 2012

addy1

No ammonia yet

marsha
Jun 15, 2016

Replies: 3

Views: 1K

Jun 16, 2016

Smaug

No Algae?

Jason
Sep 17, 2012

Replies: 6

Views: 2K

Sep 26, 2012

Jason

Nitrogen Cycle for a Fishless Pond

tbendl
Apr 14, 2015

Replies: 8

Views: 2K

Apr 15, 2015

tbendl

Nitrogen cycle

Prissysdad
Jun 30, 2014

Replies: 1

Views: 893

Jun 30, 2014

dieselplower

Nitrites stilll high in QT

Sharon Goode
Oct 27, 2013

Replies: 22

Views: 3K

Nov 28, 2013

Sharon Goode

Nitrite question

tanyaclick
Feb 7, 2024

Replies: 4

Views: 344

Feb 8, 2024

GBBUDD

Nitrite on the Rise

barryian
May 17, 2018

Replies: 2

Views: 828

May 17, 2018

barryian

Nitrite levels high after pond clean

broniem
Jan 9, 2022

Replies: 23

Views: 2K

Jan 11, 2022

SarahT

nitrite in source water

Blueeyes
Apr 21, 2019

Replies: 18

Views: 1K

Apr 26, 2019

addy1

Nitrite high! Help!

Mayank
Mar 13, 2021

Replies: 20

Views: 1K

Mar 18, 2021

jmajid

Nitrates zero?

JohnHuff
Aug 21, 2013

Replies: 26

Views: 6K

Aug 25, 2013

crsublette

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