Morticus
Aquarium Advice Freak
I read somewhere that you could use LR rubble instead of bio balls in a wet/dry system. Does anyone do this? Pros, cons?
yesCan u put LR rubble in the bottom of a canister instead of bioballs??
Nope, all you are doing is providing a place for benifical to grow. It does not require lights but you will not see any coraline growth.Does the lr rubble have to be lighted to grow the algae/pods?
You could, but you can get more poounds of LR rubble in a sump then you can plain LR. The idea here is surface area. A sump full of rubble will have far more surface area to grow bacteria then a couple chunks of LR. Besides, LR rubble is a lot cheaper (sometimes free) then regualr LR is. Save the LR for the display tank.What about just putting a few more pounds of rock in the sump AFTER the trickle?
I am not sure just how new this trend is. LR rubble is a better filter media then bioballs. They do a better job at removing nitrate from the water. If you are having trouble with nitrates, this could be part of the problem. Can you list your current livestock, your feeding scheule and the type of substrate you have? What are your current NO3 and PO4 levels?Is the use of LR Rubble something new
It is really up to you. HOB filters add flow tothe tank and provide you with a place to run chemical filtration. They also provide mechanical filtration. Some will also provide biological filtration, but once the filter pad is changed you llose the bacteria that is on it. You can remove everything from the filter and fill it with LR rubble if you want. IMO, HOB filters do okay provided you have plenty of LR in the main tank for consistant biological filtration.What about in a hang on the back filter?