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I buy mine at Sam's (13.5 pounds) for around $6.

For you Iodine dosers, THIS is a must read. First off, if you're dosing it, you need to be testing for it....but here's the kicker, there are no hobby test kits that are that accurate.....Salifert comes the closest for the inorganic forms of iodine, but doesn't get the iodo-organic forms. So...

Actually the filter is preferred, but not a code issue. It helps stop dust buildup in the duct work. This is especially true on these floor-level returns....and even more so if you have pets. But since it's a rental....... In addition, it does add more restriction to the entire unit, and...

Should be a filter.....that I would change it in the house in NC twice a year....and after six months, it would be clogged.

That looks like an intake to me.....that also has an air filter behind it....and the front louvers look dirty to me. I'd begin by popping that off and put in a new filter and wash that grate. It's also low velocity intake and you should be able to put furniture within, maybe three inches...

And if you don't wish to swing for the three bucks...... :D:D:D:D:D:D:D

They do make air deflectors for vents that re-direct the air......here's an example (less than $3.00)

Needs to be attached to a timer.

I'm not sure I can be much help. I believe both these fixtures have controls built right into the fixture. I'd open them up and using a multimeter, test for voltages. I would guess it's either the control electronics or the drivers that are fried. The other thought is to contract the...

What brand of lights? And when you say wash, did she put them in water? I'm also not aware of any fixture that has a relay.

Jeremy, be careful what you ask for. There are some fish you probably don't want. Damsels come to mine to mention one.

Actually "down" can go fairly quickly. It's going back up that needs to happen slowly.

To re-enforce what has been said, you want to put rock in first so it is in contact with the glass bottom. The issue with putting sand in first and then rock is that any occupant that decides to dig in the sand could easily undermine the rock and cause it to topple over. So rock first then sand.

Yes, you want to raise it slowly....you can go down fast, but coming back up needs to be slow. The easiest and best way to do this, and be slow and consistent is to use saltwater as your top-off water. This way your tank gets a little squirt every so often, slowly raising salinity. The...

The Elephant slug, aka scutus, is actually not a slug. So yes, it has a partial shell which is sometimes exposed, showing a white spot on its back.

I have never, ever seen a black Stomatella. I can't see the picture real well, but my first guess is a sea slug (elephant slug).

A number of factors are used in determining chiller size. I believe there are worksheets to help you figure that out. One critical factor are the type of lights. Interest that I too have a 90, and with the warm weather the past couple days had no problem with heat....but I'm running LEDs...

What size tank? What size chiller? I have a chiller that I used on a 28 JBJ. Without pulling it out, I think it was 1/10 HP.

Zippy, you need to talk to Bob (@radiata ). He too has this fascination with frogs.

Extremely kind of you! My wife is moving in tomorrow! :rolleyes: