Aquarium Decor

..). They have flat faces with o-rings that allow you to simply thread apart a connection (or two) and remove the part (like the pump). Flush valves are similarly constructed and have the important trait that their "ball" (the rotating piece that blocks water) does not fall out when the union is open... Look around (the Net, hardware and larger LFS stores) and you will find examples of both

Their reasons? They worked. Not much was commonly known as to why. Now we "know" that the aforementioned beneficial bacteria thrive in such settings with their chemical food (ammonia, nitrite, oxygen, and CO2 as a source of carbon) flowing oh-so conveniently by the nooks and crannies living space provided by the "holey" substrate.

Even today, with the advent of macro-algae, reef, "Berlin" and other "live-rock" systems in use providing the same habitat, circulation and buffering advantages, undergravel filtration remains the predominant method of

The same holds true with more nitrate. The more you have, the less viable/healthy your aquarium water is.

Take care to not place too much livestock too quickly (variable with type of system, filtration...), nor too much in the long haul, nor over-feed the system... as all can and will cause trouble with overloading your biological filtration (among other things).

Too Late! Ammonia, Nitrite Too HIGH!!!

Should you ever find your system ammonia or nitrite concentrations approaching 1.0 ppm due to overloading, mis-feeding,

Whats the best means of securing the threaded nut to your through put fittings? With a smear of 100% Silicone Sealant... allowing a bit of shaking, tank movement (they do at times) w/o breaking... and even the possibility of easier removal should you want to... Did a gasket (maybe two) come with each through-put fitting? Smear a little Silicone on either side of it and the flat of the fitting and place it... on the inside of the tank side... if/shou

aquarium decor

2) Freshwater Tropical; for fishes, inverts, and plants.

3) Marine Fishes; excepting some sensitive species like Clownfishes and Seahorses.

4) Marine Invertebrates, algae, live-rock and sensitive fishes.

Some stores have further divided systems with specialized brackish w

Reply to hi from discus breader in Portugal

Photography is a still of life posted a reply:

Hey
They are very interesting pictures that you have there. I am big fan of discuss fish, unfortunately there .

250W HQI (Double Ended) MH Retrofit Reflectors
I just got these in! I've been waiting to see them. They are very nice well built reflectors. Not flimsy at all. Vented, and they include a nice heavy glass shield. They are available in a 150w version also if there is interest? I dont have too many right now-I wanted to get a l.