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substrate use in running tank

Paulus

Member
Joined
17 Jan 2010
Messages
306
Location
The Netherlands
I was wondering the following:

Say I want to switch to a new substrate (ADA, colombo, oliverknott etc). Can you use this in an already running tank with fish, shrimps, plants etc. Can you change this without problems? or will this have horrible effects on the water values and animals?
 
Given the work involved I would take the fish out and put them in a large container whilst you empty the tank completely and replace the substrate and replant, then put them all back in the tank again. Run the heater/filter in the container if you can to keep the water OK.
 
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