Aquarium and Pond Care with EcoBio-Block

Tropical Freshwater Aquarium

When it comes to the home aquarium, many people do not realize that there are more than two options: freshwater or saltwater. These two categories contain a number of different options for the experienced aquarium hobbyist to explore. The tropical community tank is generally recommended for novice aquarium hobbyists but those who have a great deal of experience with fishkeeping may enjoy moving on to the challenge of a coldwater or brackish aquarium. Along with the challenge of a new type of freshwater aquarium come new species of fish, new options for decorations and greater satisfaction.
Tropical Freshwater Aquariums

Many aquarium hobbyists choose the tropical freshwater aquarium because it is relatively inexpensive and easy to maintain. While saltwater tanks require specialized equipment like protein skimmers, most tropical freshwater tanks require only a submersible aquarium heater, filter and lighting. Most of this equipment can be programmed, making it a virtually hands-free system even the most inexperienced aquarium hobbyist can use without difficulty. In addition to these benefits, tropical freshwater fish are relatively easy to find in stores and there is, in general, a greater variety from which to choose in this category than in other categories of freshwater fish.
Coldwater Aquariums

Goldfish are the most commonly recognized species of coldwater fish but certain species of barbs, tetras and danios can tolerate water temperatures in the low 60’s as can guppies, white clouds and loaches. While some of these fish are not as brightly colored as the more popular tropical species, it may be worth it to simplify the aquarium set-up by eliminating the need for heating equipment. Just because an aquarium heater is not necessary, however, does not always mean that coldwater tanks are easier to manage than tropical freshwater tanks. You may need to purchase an aquarium chiller to keep the water temperature low enough for some species and some fish have specific needs that may require extra equipment. Goldfish, for example, have one of the highest waste outputs of any species of freshwater fish and require highly-oxygenated water which may necessitate an extra filter or an aerator.

Adding an EcoBio-Stone or EcoBio-Planter to your coldwater tank is an easy way to help keep a tank full of goldfish clean. EcoBio products are made from natural volcanic stone and are infused with beneficial bacteria. After being introduced into your tank, these bacteria multiply to create a colony of nitrifying bacteria which will help to break down wastes, keeping the water in your tank clean and clear between routine water changes for approximately 2 years.
Brackish Water Aquariums

The word brackish refers to a mix of saltwater and freshwater and it describes the type of aquatic environment found in estuaries, coastal streams and saltwater swamps. When it comes to setting up a brackish tank, the necessary equipment is generally the same as for a tropical freshwater tank – filter, heater and lighting. Where a brackish aquarium differs from a typical tropical freshwater tank is in the tank environment. Brackish aquariums are usually filled with a dark substrate like sand and live plants and driftwood which are the staples of brackish tank décor.

In order to create a true brackish environment, salt must be added to the water to achieve a specific gravity between 1.002 and 1.025 depending on the fish you plan to raise. Some popular species of brackish aquarium fish include swordtails, mollies, loaches, gobies and catfish. While several plants commonly used in tropical freshwater aquariums can survive in a brackish environment, plants like cabomba, vallisneria and mangroves are best-suited for this type of tank. Brackish water aquariums may be more difficult to care for than a simple tropical freshwater tank, but experienced aquarium hobbyists may appreciate the challenge.

by Ruby Bayan

Community Fish Tank

Here’s a candid question from my friend Bob: “I just got a 20-gallon tank and was thinking about putting in about a dozen Neon Tetras, six to eight Mollies, a Plecostomus and perhaps introducing two to three Angelfish afterwards. Is this an acceptable plan?”

My answer was, “Bob, you’re inviting disaster into your aquarium! You will be defying at least four major guidelines in the book of ‘good fishkeeping’!”

Defiance 1: “The one-inch-per-gallon rule is baloney!”

Although not a strict rule, the one-inch-of-fish-per-gallon-of-water guideline is often a takeoff point for fishkeeping hobbyists aspiring for a stable bioload. However, factors like efficient filtration, fast-growing fishes, and aggressive or territorial breeds totally overhaul this “rule” giving rise to setups with more than one inch of fish per gallon, or with just a pair of two-inch fish for a 25-gallon tank.

In Bob’s planned 20-gallon setup, 12 Neons, 8 Mollies, 1 Pleco, and 3 Angels, even if they’re all less than an inch each, will surely overload his tank habitat, no matter how efficient his filtration is. But let’s say that on top of a truly efficient filter, he can be diligent enough to make regular water changes, his next problem will be what water parameters to maintain.

Defiance 2: “What natural habitat? I’ll give them their natural habitat!”

One of the primary objectives of fishkeepers is to provide a habitat that is closest to what the fishes have in the wild. The community that Bob is looking at putting together cannot occur naturally because the fishes he has chosen do not thrive in the same water conditions.

Although all the chosen fishes can be made accustomed to a common water temperature (around 77 degrees F), Neons prefer water that is slightly soft, with pH between 5.0 and 7.0. Mollies, on the other hand, live in slightly hard water with pH of 7.5 to 8.5.

In other words, either the Neons or the Mollies will suffer stress and eventually fall ill if brought together in one community tank because the water composition is outside the range ideal for them.

So, if Bob removes the Mollies from the equation and maintains a water composition ideal for the rest of the fishes, will the Neons, Pleco, and Angelfish be fine together? The answer is, again, “no.”

Defiance 3: “They don’t look aggressive to me!”

Angelfishes belong to the notoriously cranky group of cichlids. Highly territorial and potentially aggressive, Angels (an oxymoron?) are known to be “stealth” attackers. Swimming casually and almost in a delicately gentle manner, they can snap at a prey in a flash and swallow whatever fits their mouths. Full-grown Angels are known to feast on Neons.

So, maybe Bob can chuck the idea of adding Angels later on. Will his tank be safe now with the dozen Neons and one Plecostomus? Unfortunately, the Pleco may pose a whole new problem.

Defiance 4: “They’re just sooo cute!”

The Plecostomus is one of the fastest growing catfishes in captivity. A “cute” three-inch Pleco can double in length in six months and grow to a “horrendous” adult size of close to two feet in a couple of years. Their phenomenal growth is accompanied by their equally phenomenal rate of excretion that can easily overwork standard filtration systems. A Pleco will, therefore, be okay in a 20-gallon tank only in its first few months as a juvenile.

In other words, Bob’s 20-gallon tank is down to just a dozen Neons. That’s no fun, right? Well, a 20-gallon tank can’t really support a lot of fishes, and frankly, losing some to not having an acceptable plan is my definition of “no fun.”
Bob can still have a fun tank by choosing a combination of community fishes that are attractive together and thrive in a habitat that will remain stable indefinitely.

Here’s one suggestion: to join his Neons, he can add a pair of Rams (Ramirezis may be cichlids but they’re one of the more sedate ones), and instead of the Pleco he can choose a pair of Corys (corydoras) or Otos (otocinclus) that remain small even as adults.

Add to that some diligent monitoring, regular water changes (or better yet, an EcoBio-Block that conditions water so that changes are hardly necessary), and efficient equipment, and Bob can be well on his way to implementing a truly acceptable plan.