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Discussion Starter · #2 ·
Picked up 4L of the stuff at big Al's earlier, haven't had the time to do all the tanks yet. I just know that it took at least 2.5-3L to fill an eheim 2213. Every time I look at this matrix stuff I can't help but feel that I paid 40 something bucks for pebbles people use in their backyards......

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just think of how ppl feel after buying substrat pro, matrix is cheaper n much more effective, it does look like cheap gravel tho lol
 

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Just started using the Pond MAtrix. I see what you mean about pebbles different colours etc. But they are so light.

I know people are using lava rock, scrubbies, eheim etc, but I came across a neat idea on another forum using bonsai pummice stone. you can get a 5lb box in the USA for about $20. lots of surface area for beneficial bacteria to grow.

Another thing I was contemplating was whether or not there could be too much media in the filters, specifically to a planted tank as it may become too effective in removing thing like nitrates -just a thought
 

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Discussion Starter · #5 ·
this stuff is going into my shrimp breeding tanks, I been having very bad breeding for 2 years now, I recently switched to topping up on my neo tanks with R/O. Yes I can't even breed neos.... :(. right now all my shrimp tanks are setup the same. A deepish plastic containing with diy pvc UGF with bio rings and a large sponge filter. I'm going to put a canister filter in every single tank and fill it with matrix and change out the bio rings in the UGF. Most of tanks except for the 14.5g cherry tank has high nitrates. I'm just hoping this will help if not I give up on shrimp breeding, been having bad luck ever since I started 4.5 years ago.
 
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