Calculation for lighting and CO2

[zeek_fon]

Dear all,

Can I check if anyone can guide me how to calculate how much lighting we need for our tank??

Also how do we calculate the 'bps' which everyone is talking??

How much lighting and co2 is really sufficient for a 3x1.5x1.8 tank??

Thanks for your time and guidance.

Regards

[dcwk]

Use the AQ calculator located at the top right hand corner.

I measure C02 rate by counting the total number of C)2 bubbles entering my reactor over a duration of 10 seconds. Divide this number by 10 to get bps.

[Shadow]

it is depending on your plants, some plants can survive low light. To be save use 3W/gallon rule of tumb. However if I'm not mistaken only work for small/medium tank and <2ft depth. Should be ok to use for 3ft.

For CO2, bps is only tools for user to estimate how much CO2 being used. The important thing is how much CO2 disolved in to the water. Different diffusior/reactor with the same number of bps may result different ppm. Your target is 25-30ppm. You can use the pH vs kH table to determine you CO2 ppm. However the table does not work if you use ADA aquasoils or other thing that change your water pH and kH.

my 2 cents

[zeek_fon]

Hi Bro dcwk and Shadow,

Thanks for your guidance. Greatly appreciated.

Regards