In nature, black water is extremely soft and acidic water. The conductance is less than 10 µS/cm, the pH value is less than 5. Blackwater has no detectable carbonate hardness. The water therefore does not have a carbonate buffer like…
ILLUSTRATES Rafael Sarmento READER’S QUESTION Tatiele Praia da Silva, Boa Vista, RR 1.Julius Caesar (100 BC-44 BC) came to power in Rome in 46 BC after a civil war against conservative nobles. The officers who accompanied him in this battle…
Datasheet Red Fire Shrimp German name: Red Fire Shrimp Scientific name: Neocaridina davidi “Red Fire” Origin: Taiwan Size: about 3 cm age expectation: 2 years Behave Area: at the bottom Lining: Omnivores, algae growth, scalded vegetables (cucumbers, carrots), shrimp food,…
It was a mining phenomenon that occurred in Pará between 1980 and 1992. It all started when a gold nugget was found on the Três Barras farm at the end of 1979 (there is controversy over the date), attracting over…
Armored catfish and purple perch It can be read from several field reports that purple perch, Pelviachromis pulcher, do not socialize well or even at all with armored catfish, Corydoras. The reason for this is probably that the giant perches…
Presuntado is a kind of second-rate ham: it has less meat and more fat. Both are made with pork meat, but the Ministry of Agriculture rules that regulate the manufacture of cold cuts are much stricter for ham than for…
Data sheet corkscrew rush Botanical name: Juncus effusus ‘Spiralis’ Origin: Northern Hemisphere growth height / size 40 to 50 centimeters leaf color: Green flower color: Brown behavior/stocking Location at the pond: On the edge of the pond or in the…
ENGLAND It is a country whose capital is London. Throughout history, England managed to impose itself politically on some neighboring countries and came to control a state called the United Kingdom (see below). In the 19th century, with England at…
Algae in the new aquarium stock.adobe.com – 402330036 – Wira Do you have a general problem with algae or have you had the aquarium for a long time and the running-in phase behind you – then you will find the…
Although they look alike, there are several physical differences between them. Perhaps the most visible is the size: while the leopard is more muscular, the cheetah is slender. In the table beside, we explain the main distinctions between them, but…