4 - 0 = ?  
Input the result from the expression
Maximum attempts you can try: 10
 

Re: Interesting Test Results (IMO)

Subject: Re: Interesting Test Results (IMO)
by Fishlady on 29/7/2011 15:14:19

Hi

Silver sand is a good bet (play sand is the same but usually cheaper), as are quartz or glass gravels. Also Roman Gravel which is plastic coated is inert due to the coating.

I'll be using various combinations of those in my tanks from now on - apart from the Tang tanks I'm setting up soon