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

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Nitrate vs. Phosphate

HARO
Nov 24, 2013

Replies: 7

Views: 3K

Jan 4, 2014

crsublette

Iron in well water

humbirdlover
Sep 10, 2012

Replies: 8

Views: 3K

Sep 10, 2012

humbirdlover

Fishless Cycling

neha
Sep 9, 2018

Replies: 25

Views: 3K

Feb 5, 2019

neha

Indoor Fountain

Mrfourpointo
Apr 7, 2020

Replies: 11

Views: 3K

Jul 12, 2020

Mrfourpointo

Adding CO2 to Pond?

Miami Al
Nov 10, 2022

2 3 4

Replies: 54

Views: 3K

Mar 18, 2024

Miami Al

Gray water question

icewaterdon
Jul 19, 2016

Replies: 15

Views: 3K

Aug 19, 2016

moby

White powdery stuff in bottom of new pond

Eva
Jun 19, 2018

Replies: 4

Views: 3K

Jun 20, 2018

Mmathis

String Algae

jeffrey
Nov 13, 2016

2 3

Replies: 34

Views: 3K

Dec 5, 2016

addy1

Yeah! Clear Water!

pondlover
Apr 28, 2012

Replies: 17

Views: 3K

Jun 9, 2012

hdavid44

Continual green water. UV bulb new.

Ian Butterfield
Jun 13, 2014

2 3

Replies: 32

Views: 3K

Jun 30, 2014

Tula

Algae growth, day vs night

dieselplower
Jun 22, 2013

Replies: 15

Views: 3K

Jun 24, 2013

crsublette

KH and PH Balance

LibraKoi
Jun 1, 2018

Replies: 28

Views: 3K

Jun 19, 2018

LibraKoi

Under the microscope... Is it harmful [or not] for my fish?

Mmathis
Sep 4, 2015

Replies: 13

Views: 3K

Sep 11, 2015

addy1

High Nitrite levels but everything else is great!

CindyA
Jun 3, 2017

Replies: 18

Views: 3K

Jun 8, 2017

budgenator

Green Water Instead of Bio FIlter

HTH
Jun 21, 2013

Replies: 11

Views: 3K

Jun 22, 2013

HTH

4 month old pond green

Jutt
Mar 19, 2017

Replies: 21

Views: 3K

Mar 24, 2017

addy1

Chlorine/Chloromine testing

LarryM
Jul 16, 2014

Replies: 4

Views: 3K

Aug 17, 2021

Mmathis

Moving koi from inside to outside..

jezabell79
Dec 1, 2015

Replies: 14

Views: 3K

Dec 3, 2015

jezabell79

Filtration/Algae Question

pwncpa
Apr 8, 2012

Replies: 12

Views: 3K

Apr 9, 2012

pwncpa

ZEROPILOT
Aug 18, 2017

Replies: 27

Views: 3K

Sep 3, 2017

Austin

Is there an app for that -- creating a chart/graph of your water test results?

Mmathis
Sep 23, 2015

Replies: 11

Views: 3K

Sep 23, 2015

Marshall

Phos level ok, virtually zero, why Algae?

Rach
Jun 27, 2015

Replies: 28

Views: 3K

Jul 21, 2015

paintguru

UV Wattage vs Flow Rate...

Jason
Aug 26, 2013

Replies: 8

Views: 3K

Nov 12, 2013

sissy

gh way too high ....advise please

whiskey
Aug 20, 2011

Replies: 5

Views: 3K

Aug 21, 2011

DrDave

Pond testing

cr8tivguy
Jun 30, 2013

Replies: 20

Views: 3K

Jul 5, 2013

crsublette

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