"Crystal Red" shrimps in a 25 liter (5.5 US gal.) aquarium
Hello, possibly, the orange animal is a dwarf crayfish (Cambarellus patzcuarensis 'Orange', often referred to as "Mexican Orange" dwarf crayfish)? 10 - 15 animals are alright;...
Frequently asked questions
Continuously rising nitrate and phosphate levels / Snail invasion
Hello, Concerning "phosphate and nitrate levels":these pollution parameters are partially related to pollutants from tap water, but mostly to feeding. They therefore rise quickly,...
Keeping Spinycheek Crayfish (Orconectes limosus)
Hello, Concerning "plants":sooner or later this will most likely turn out to be "take them apart" and at least partly "eat them"! Concerning "food":the crayfish will literally eat...
Snails: how many should I add, and how can I monitor and increase water hardness?
Hello, this is exactly the right attitude, snails are unfortunately too often considered a "pest", which they are not! Just add a few trumpet snails, their number will regulate by...
Worms and Hydra
Hello, Concerning "flalworms/Hydra":flatworms are one possibility considering the animals that creep on the glass pane, however threadworms (nematodes) or oligochaetes are also...
Adjust pH value for shrimps
Hello, in case the pH value refers to "fresh" tap water you should simply wait, as it usually sinks in an aquarium (except if the carbonate hardness is very high). Otherwise I...