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Old 02-09-2013, 04:14 PM   #1
Jnad
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Default Soil / test tank

Hello!

I am going to start a low tech Walstad tank with dimensions 35,5x35,5x18 inches.

Beacuse i am going to use soil i decided to test the soil setup in a smaller tank first, a 12x12x14 inches small cube.

The tank has been running since 31-january with 1 inch of soil and 1 inch of sand 0,2-1,0 mm grain. There is 10 Mosquito rasboras and 5 cherry shrimps in the tank and a lot of plants.

I did some water tests today:
Ammonium: 0,0
GH: 4

It looks like the soil is ok to use and the plants is taking care of the Ammonium but the GH seems to be a little low.

When starting the larger tank should i mix in something in the soil to rase the GH?

Jnad
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