looking for "spike-tailed MTS", as they're known. I believe the scientific name is Melanoides granifera. These used to be pretty regularly available on Aquabid about a year ago but it seems there aren't any sellers online anymore. My planted tank is in desperate need of some gravel-sifting and I...

What is the best substrate for a planted tank that won't alter the water parameters or cause an ammonia spike? I am planning to add eco-complete to my 10 gallon aquarium, which is already established. Will adding the new substrate cause an ammonia, nitrate or nitrite spike? And will it cause a...