C02?

Most hydro stores will have them. I don't know what it's made of but works. I have 5 in my room just for when my tank runs out. My room is prity big but they keep it at 800 ppm. I just set them on my lights and done. They are called ExHale

Damn that sounds pretty cool. Ive never heard of it or heard anyone else mention it. Why doesnt everyone use it, instead of tryng to diy make homemade co2, maybe its not so easy to find. Im gonna go to oyr local shop and see, ive been tryng to find an alternative to using tanks. Yea I just googled "Exhale", and it came up right away. They can be ordered off Amazon for $28 bucks, pretty cool, it just says to place above plants which makes sense cause co2 is heavier. Thanks!

Yeah i cant find them in england though

You should be able to buy on amazon.com I think. Try googling "exhale co2 bags".

Wont that look wierd having that kinda thing crossing borders?

I dont care if it dont it will get looked at and taxed on entry sp they will know what it is, i aint ordering anything to do with growing from abroad

new grower uk said:

I dont care if it dont it will get looked at and taxed on entry sp they will know what it is, i aint ordering anything to do with growing from abroad

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If you find one across here let me know. cheers

Or i might just get someone else order it for me.