Re: [APD] Sources of DIY Material

[urville <urville at peoplepc_com>]

well laterite is high in iron non inert. in fact almost all the plant 
substrates carry an array of the minerals and arent inert, but the 
sharpness, thats a definite no no
Ian

Wise, Nicholas wrote:

>>Black Beauty sand has sharp edges that have been known to be 
>>hazard to fish. 
>>Here's one post on APD
>>http://fins.actwin.com/aquatic-plants/month.9705/msg00324.html
>>. I know cichlid keepers who have lost fish by using it. 
>> Liz
>>    
>>
> 
>Add that to the fact that it is slag and as such is not inert and I
>would avoid it all together.
>
>-Nick
>
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