QUAL2K-user - Google Groups

Groups

Contact owners and managers

1–30 of 266

Welcome to the QUAL2K international user group

0 selected

Jun 23

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

unread,

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

Jun 23

Russell Brummer, devi krishna2

Jun 11

(ThisWorkbook.Path) Error

Hi Russ, Did you find a solution to this error? I tried to copy the entire folder with the Excel file

unread,

(ThisWorkbook.Path) Error

Hi Russ, Did you find a solution to this error? I tried to copy the entire folder with the Excel file

Jun 11

Adam Rus Nugroho

May 20

Nitrite in the QUAL2K

Mr. Pelletier, Dr. Flynn, or other developer team, My students currently have Nitrite data but not

unread,

Nitrite in the QUAL2K

Mr. Pelletier, Dr. Flynn, or other developer team, My students currently have Nitrite data but not

May 20

Christy Meredith

May 14

transferring model from Qual2k V2 to Qual2k V3-units and other issues

Hello, I have an algae nutrient model calibrated in qual2k version 2 and am trying to convert it to

unread,

transferring model from Qual2k V2 to Qual2k V3-units and other issues

Hello, I have an algae nutrient model calibrated in qual2k version 2 and am trying to convert it to

May 14

Apr 13

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

unread,

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

Apr 13

Apr 7

Feedback for Air Ducts and Vents Cleaning/Chimney Cleaning

Hey! FYI me and some neighbors got the duct cleaning service done by Edward & the service was

unread,

Feedback for Air Ducts and Vents Cleaning/Chimney Cleaning

Hey! FYI me and some neighbors got the duct cleaning service done by Edward & the service was

Apr 7

Mar 31

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

unread,

Feedback For Vents Cleaning Group Discount

Hey Everyone! FYI me and some neighbors got the duct cleaning service done by Chris & the service

Mar 31

GPhillips, Andrew Stoddard3

Mar 14

Uncalibrated Qual2k

Greg, I have attached an intro page and textbook pages scanned from Thomann & Mueller (1987).

unread,

Uncalibrated Qual2k

Greg, I have attached an intro page and textbook pages scanned from Thomann & Mueller (1987).

Mar 14

Isabella Jones2

Feb 13

Honest Feedback for Air Duct and Vents Cleaning

Anyone else interested? On Thursday, February 12, 2026 at 8:57:47 PM UTC+5 Isabella Jones wrote: Hey

unread,

Honest Feedback for Air Duct and Vents Cleaning

Anyone else interested? On Thursday, February 12, 2026 at 8:57:47 PM UTC+5 Isabella Jones wrote: Hey

Feb 13

Isabella Jones2

Jan 9

Feedback for vent cleaning

anyone interested?

unread,

Feedback for vent cleaning

anyone interested?

Jan 9

12/24/25

Dryer Vent & Air Duct Cleaning – Christmas Offer $159

Hey everyone! This $159 offer is only valid until December 25. After that, the price goes up to $259.

unread,

Dryer Vent & Air Duct Cleaning – Christmas Offer $159

Hey everyone! This $159 offer is only valid until December 25. After that, the price goes up to $259.

12/24/25

11/11/25

Hello, greetings. I have a question regarding the definition of initial water quality conditions for

unread,

Hello, greetings. I have a question regarding the definition of initial water quality conditions for

11/11/25

Ульяна Романова

11/10/25

Model Execution Error - Simulation Aborted in Q2K Software

Dear all, I am writing to get help with an issue encountered during the execution of a model

unread,

Model Execution Error - Simulation Aborted in Q2K Software

Dear all, I am writing to get help with an issue encountered during the execution of a model

11/10/25

Hui Lin Yong, Carlos Mauricio Rondon Tijaro2

10/28/25

Run-time error 53

hi Ellayne, you have to verify your courant number and adjust your time step in accord to courante

unread,

Run-time error 53

hi Ellayne, you have to verify your courant number and adjust your time step in accord to courante

10/28/25

Jhon Vargas, … joseta...@gmail.com4

8/20/25

Download the software

tengo el mismo problema, me puedes contar como solucionaste? El domingo, 3 de agosto de 2025 a las 6:

unread,

Download the software

tengo el mismo problema, me puedes contar como solucionaste? El domingo, 3 de agosto de 2025 a las 6:

8/20/25

4/16/25

fortran error when using two segments/tribs

I figured it out! the model is sensitive to number of elements in the main stem reach where the

unread,

fortran error when using two segments/tribs

I figured it out! the model is sensitive to number of elements in the main stem reach where the

4/16/25

Leandro Guimarães

4/5/25

Brasileiros online? Preciso de ajuda

unread,

Brasileiros online? Preciso de ajuda

4/5/25

2/27/25

unread,

2/27/25

Adam Rus Nugroho, … Greg Pelletier10

2/22/25

Can we model microplastics in QUAL2K?

Yes, the generic constituent can be used for microplastics On Saturday, February 22, 2025 at 12:23:25

unread,

Can we model microplastics in QUAL2K?

Yes, the generic constituent can be used for microplastics On Saturday, February 22, 2025 at 12:23:25

2/22/25

Xavier Casamitjana, Estuardo Bocel2

2/11/25

Interpolation outside range

Were you able to troubleshoot the problem? I am getting the same message when I try to run Lake2K as

unread,

Interpolation outside range

Were you able to troubleshoot the problem? I am getting the same message when I try to run Lake2K as

2/11/25

Rafiuzzaman Khan, Kevin S2

10/30/24

Point and Non point Source Pollution

Hello Rafiuzzaman Khan You could gather data about industries that already operating at that area,

unread,

Point and Non point Source Pollution

Hello Rafiuzzaman Khan You could gather data about industries that already operating at that area,

10/30/24

da.pul...@gmail.com, … Xavier Casamitjana4

10/10/24

Problem for run lake 2k

In which module should I insert this text in a new one or in an old one? I tried both without success

unread,

Problem for run lake 2k

In which module should I insert this text in a new one or in an old one? I tried both without success

10/10/24

10/5/24

can you help me

Dear Sir I am trying to run the model q2kw6, I got this message. can you please help me. Regards.

unread,

can you help me

Dear Sir I am trying to run the model q2kw6, I got this message. can you please help me. Regards.

10/5/24

7/13/24

Reaeration coefficient

Dear all, Under rates worksheet we can find reaeration coefficients α, β, γ. Can you please help me

unread,

Reaeration coefficient

Dear all, Under rates worksheet we can find reaeration coefficients α, β, γ. Can you please help me

7/13/24

Christy Meredith

6/14/24

running Example exercises with new version of Qual2k

has any one been able to get the exercises to still work, I tried it on the new version and it said

unread,

running Example exercises with new version of Qual2k

has any one been able to get the exercises to still work, I tried it on the new version and it said

6/14/24

4/3/24

Please check this website for latest updates Join Our Vibrant Community of Learners and Professionals

unread,

Please check this website for latest updates Join Our Vibrant Community of Learners and Professionals

4/3/24

3/22/24

FORTRAN source code for QUAL2Kw versions 5 and 6

Dear all, I put the FORTRAN source code for versions 5 and 6 of QUAL2Kw on github at the following

unread,

FORTRAN source code for QUAL2Kw versions 5 and 6

Dear all, I put the FORTRAN source code for versions 5 and 6 of QUAL2Kw on github at the following

3/22/24

Christy Meredith, Adam Rus Nugroho2

3/22/24

parameters in equations not described anywhere

Hi, Christy. Which handbook exactly you refer? I just looked up to the QUAL2K documentation and

unread,

parameters in equations not described anywhere

Hi, Christy. Which handbook exactly you refer? I just looked up to the QUAL2K documentation and

3/22/24

Lubaba Afzal, Adam Rus Nugroho2

3/22/24

Request to look into the metter

Hi, sir. Maybe you can learn how to fix it by referring to this article Part 4: https://www.wps.com/

unread,

Request to look into the metter

Hi, sir. Maybe you can learn how to fix it by referring to this article Part 4: https://www.wps.com/

3/22/24

3/4/24

Run Fortran - cannot start

Hi, I am wondering why when I click Run Fortran on the first page, I get a "cannot start "C

unread,

Run Fortran - cannot start

Hi, I am wondering why when I click Run Fortran on the first page, I get a "cannot start "C

3/4/24

Search

Clear search

Close search

Google apps

Main menu