TOP 15 fishes, that are not for the everyone

All beginners in aquarium husbandry often grope in the dark not knowing what fish exactly they want to have in their tank.

On seeing a small and cute suckermouth catfish in a pet-shop they don’t even have a clue that it’ll grow to be over 30 cm (12 inc) long and live over 20 years.

And this graceful oscar fish (Astronotus ocellatus) will grow to be very large and it’ll eat everything in a tank that gets into its mouth.

So, what fishes is it better to avoid at the beginning?

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EcoSphere Closed Ecosystems review

EcoSphere – lots of living creatures inhabit here, tightly encased in a glass ball. Year after year. At that there is no water changes, feeding or air required. It needs only indirect light. This small enclosed world will gladly tell anyone about such a fragile nature balance.

Ecosphere glass ball is a miniature model of our world. Sadly, it can be destroyed, as well as a real planet. This is definitely not a brand new idea, thus it’s rather fascinating. Besides, it has a very interesting story behind.

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Fluval 406 review

Hagen Fluval 106-406 is a range of filters which do not differ from each other by their design or functionality, they are different only by a tank size where they can be installed.

Fluval 106, 206, 306, 406 – are external canister filters of the 6th generation produced by Canadian company Hagen for saltwater and freshwater tanks sized from 25 gallons to 100 gallons.

Fluval have been holding leading market positions for many years, namely the 6th generation has an obvious advantage over its predecessors due to the number of improvements it has.

They allow to insure complete 3 staged water filtration (biological, chemical and mechanical). At that the 6th generation filters are less power consuming, their capacity is 15% higher than their predecessors have.

All spare parts and hoses needed to install the filter come in a set together with these filters.

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Eheim 2217 canister filter

Eheim Classic 2217 (600) filter is the simplest in design canister filter – it’s a tube filled with filter fillers that has a lid with a pump on top.

The filtration process of tank water starts in the bottom section of the filter and then the water goes up and passes through all the filter fillers, after this the purified water is pumped back into the tank by means of the filter pump.

You can vary types and numbers of the filter fillers due to the absence of special baskets for these fillers inside the filter.

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