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bulking eco-complete

soton_dave

Member
Joined
28 Mar 2009
Messages
142
Location
Southampton
put 3 bags in my tank the weekend,but ideally would need another 2-3 bags to get the slope im looking for(but at £25 a bag i just cant afford it).
any opinions on using silica sand as a base to get the general slope then using a gravel tidy over the top(to stop the sand mixing) then the eco-complete over the top of that,it would only be used at the back of the tank and would have a good 3-4cm layer of eco-complete over the top,my main concern is the sand going bad/toxic.


any advice?
 

ceg4048

Expert/Global Moderator
UKAPS Team
Joined
11 Jul 2007
Messages
9,085
Location
Chicago, USA
Hi,
If you grow the plants properly then they will oxygenate the substrate and you shouldn't have a problem. This means plenty of CO2 and nutrients, good maintenance - and lighting levels appropriate for the amount of added CO2.

Cheers,
 

soton_dave

Member
Thread starter
Joined
28 Mar 2009
Messages
142
Location
Southampton
thanks for the replies :D
would i be better with sand or gravel?
im thinking sand would be best because it would hold the slope better being smaller therefore locking together better,but if i knew i wouldnt be asking this question....lol

gonna be asking more questions in the other sections so any advice on those welcomed

thanks so far dave
 

ceg4048

Expert/Global Moderator
UKAPS Team
Joined
11 Jul 2007
Messages
9,085
Location
Chicago, USA
Hi,
If you want to hold a slope it might be better to hold it with a vertical retaining wall under the substrate. Gravity and flow will take it's toll no matter which material you use.

Cheers,
 
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