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Thanks for the info. Whatever else I feel like I know what I am doing now and that is a start. :ssmile:

John

I suppose when you say silicone you mean a good quality caulk? Do you know what people use when they glue a glass tank together, or where that info would be located on this board?

As for why I might want to do this, I have my own home brew under gravel filter in a tank. I like it well enough. but I can have problems with the stand pipe moving and slowly working itself up. The...

I want to permanently install a piece of PVC pipe inside an aquarium. If it can be done I would like to glue it to the glass. I wonder if anybody has any experience with this or knowledge about what...

I have two aquariums set up. I use CFL bulbs in home made hoods in all the tanks. The max is 81W in the 20 gal tank and I can easily adjust this if I want to. 5000 and 6500K daylight bulbs.

The...

I have just started cycling an aquarium. I put in about a half inch of garden soil followed by an inch or more of sand. No fish yet, I will shift them over when the tank seems ready. What I want to...

The local hard water has a PH of around 8 or 8.5. I jerked around trying to get it softer, but had such poor outcomes I gave up in it. A lot of the common fish can deal with a wide range of PH, and...

Assassin snails rock.

Great snail website, the best I have ever seen for pond snails. Small, brown ramshorn snails also show up in aquariums with some frequency. In my experience they are not as bad at eating plants as...

If it has the general shape of a tiger nerite but is more or less brown, I would get rid of the thing. There are two types of pond snails the rams horns which are nothing great, and the other kind...

I was concerned about those little white spots myself, but they never change and so, apparently, they are part of the fish.

Something I never see anybody comment on is that these green puffers are...

Most sand in nature is alluvial, which usually means washed in place by nature. That also means it will be smooth or round because the washing process takes off the sharp points. If you get sand from...

I suspect that pool filter sand has chemicals in it and I would encourage anybody to wash it a little even if it does not seem dirty. If nothing else flush some water through it in the aquarium.

My personal theory is that sand rubs against itself when it is moved around and produces dust. This makes the supply of dust more or less endless. The best is to wash it a couple of times with a...

As long as I have gotten started here I will tell you the whole story. I have an improvised sand filter in the bottom of my aquarium. Below the sand is very sharp stone. It looks like gray granite...

For reasons I will not go into here, I favor sand in an aquarium. But I would also like a more visually interesting surface. I would put gravel or glass beads in on top the sand, but I anticipate...

The most common issue with sand or gravel (for me) is that it contains calcium compounds of some sort that will give you hard and basic water, perhaps a PH of 8+ . Not such a bad thing, actually, if...

Puffers tend to load up on food and if well fed will easily go for a couple days without eating. If they get pissed off at you (like you disturb their domain)they are apt to go a couple of days...

Just a little background on iron. Iron is a trace nutrient that can be lacking in an aquatic environment. This can be a good thing because it inhibits algae. Meanwhile many rooted plants have the...

I tried the flake food followed by sinking pellets routine, but some of my other fish got smart to it. Now it is a few shrimp pellets after lights out. Unfortunately the pond snails are fond of the...

To the best of my knowledge there is no side issues that go with mixing light sources.

I have been fishing around the internet trying to find a good quality comparison between the different light sources and I have not really found anything except some deeply technical articles that...

One plant or ten plants it is all kind of the same from a setup standpoint. I have two tanks, one that has algae issues and the 29 gallon in the picture that has been better behaved. Since I started...

Unless you have a decorative effect in mind I would not go with less than an inch, or (gasp) 2 to 3 cm. My preference is for sand and the little corries will like it better. In that big a tank you...

I imagine you have a thermometer in the tank, which is necessary because the heater settings are often unreliable. The only other big deal is to have the heating element surface area surrounded by...