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Sand vs gravel

Sarpijk

Member
Joined
11 Jan 2015
Messages
647
Hi everyone, just wanted to discuss whether sand is better for capping a soil substrate. Having used both I must say that for some reason sand seems to yield better results for me.

For example I got a Tropica pot of Lagenadra and put some plants in the gravel substrate and some to the sand one. Both tanks have the same type of soil underneath and are both low tech. While the plant in the gravel substrate has all but melted, in the sand substrate is growing huge. Cryptocoryne Nurii also seems to prefer sand.

Is it possible the sand locks in the nutrients better ?
 

Sarpijk

Member
Thread starter
Joined
11 Jan 2015
Messages
647
To illustrate the difference in growth I give you Lagenadra in sand
UFkDJHp.jpg

ikanlut.jpg


and the sad specimen in the gravel tank
31OrDrO.jpg
.


Of course I realise many other factors could be at play but the overall idea is that all plants that I have used in sand do better in most cases.
 

FirstClassFish

New Member
Joined
28 Jun 2022
Messages
2
Location
US
Hi everyone, just wanted to discuss whether sand is better for capping a soil substrate. Having used both I must say that for some reason sand seems to yield better results for me.

For example I got a Tropica pot of Lagenadra and put some plants in the gravel substrate and some to the sand one. Both tanks have the same type of soil underneath and are both low tech. While the plant in the gravel substrate has all but melted, in the sand substrate is growing huge. Cryptocoryne Nurii also seems to prefer sand.

Is it possible the sand locks in the nutrients better ?
Very interesting. What kind of sand do you use?
 
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