Hi Paul, I currently have the par meter and will be done with it this week, though Jen Williams asked to use it next. Have you thought about using native fish and plants? There are a lot of really cool natives in Virginia and Maryland. I have some extra juvenile satin fin shiners a well as some val ...

Thanks for sharing

Is anyone bringing cherry shrimp? A friend of mine is looking for some. I'm looking for native plants if anyone has any.

I'll be there, might bring some equipment to auction or give away. I will bring my mask, looking forward to seeing everyone.

Springtails will help but there will likely always be some mold.

David-

I got mine from Amazon years ago. I can't remember if it was 50' or 100'

I'm in Fairfax VA. I will be selling these at the tag sale tomorrow.

I would think a gang valve meant for air would be terribly difficult to control the flow. Bubble counters are very useful for judging the amount of gas going in the tank and serve as a visual indicator that gas is flowing. I use fluval bubble counters, they aren't that expensive. You can use silicon...

I have a 5# steel tank (full) for $50 and a 20# aluminum tank (empty) for $100

I will be there, I have a few 15 gallon Marineland tanks and a few co2 tanks to sell.