What is the best CO2 tank for my MR1?

Hi. I am wondering about all the different kinds of CO2's and plant foods on the market today. I have a 55gal tank, and very low light, but I have plants on their way. What would be best (and cheapest!) to keep them alive? How does the co2 diffusers...

This is for a kegerator (fridge in the garage that has a beer keg in it). I'm using a 5 lb CO2 tank. I'm on my 5th 1/2 bbl, and have gone through several 1/6 bbl kegs too. When I first hooked up the CO2 tank, it read 400 psi when it was full. The pressure...

like the title says is it possible for my to fill my own paintball co2 tank with co2 gas instead of co2 liquid? i can fill with liquid but wanted to know if co2 gas would work... ...show more

i am having the hardest time fniding a 5lb co2 tank for my co2 system for my planted tank.it needs to connect to a Milwaukee MA957 regulator. i saw some on ebay but i have seen no stores online to compare those prices that i saw on ebay to. if any1 out...

i have a CO2 source tank for my Tippmann Alpha Black paintball gun. is it possible for me to convert that tank in to an air tank? or am i just going to have to buy a whole new tank? I ...show more

Would it be possible to extract reasonable amounts of CO2 from the air by injecting regular air into a tank of water under pressure? In my thinking, at the correct pressure, the CO2 would dissolve while the O and N would not and could then be released...