balck blasting grit , coal slag?

[mikeythe613]

I just set up my tank aga8n and my shrimp never survive is this substrate in using causing this issue?

[BillD]

It is possible. Black blasting sand is slag but it can be any of a variety of different types, including coal, but not limited to it. The one I use is nickel slag and it seems to kill snails. Over time any leachate will lower or even stop, but it may take a couple of years of water changes.

[mikeythe613]

Can you recomend a good cheap substrate for planted aquarium I dont mind spend8n cash bit its a 75 gal so its gunna take a lot