I’m going to add some height to the substrate at the back of my tank, I don’t have that much of it and I know it tends to fall level over time. I was thinking I would use an old fish bag full of large gravel to put underneath my chosen substrate- is it dangerous to have plastic in the tank over time? Will it give off any toxins in the water? If so, does anyone have any alternative suggestions
Thanks
Adding height to substrate
- mikeyw64
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thats pretty much what I've done with Sunnyside. Filled some mesh bags (like the ones used to put bio media in in many canister/sump type filters) with alfagrog so that I could bulk up the height without using a shedload of substrate material.
- fr499y
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I wouldn't use plastic, go with filter media bags or barley bags ( same but bigger, designed for filling with straw/barley for ponds )
- mikeyw64
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- Ric
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- fr499y
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foam board works as well
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Behind the rocks on the left is, in Spanish, Arcilla. A man made porous stone. This is topped with substrate. On the right hand side is a piece of black foam to allow a bit of circulation. The rocks are sitting on a 5cm piece of polystyrene foam. The substrate goes up from front to back. Still cycling, no urgency to populate the aquarium yet until the cold spell here is over.
- Martinspuddle
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We used to use small pieces of slate years ago that were tucked in the substrate and build it up from there.
WARNING - DO NOT BREED, FEED OR PET THE PUDDLE!
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