r/Aquariums • u/Awimpymuffin • Jul 23 '21

Question about nutrient dosing a 75 Gal CO2 planted tank. Help/Advice

Currently researching CO2 for my new 75 gal, have all the parts for it either here or on the way. I'm a touch confused by the guide for nutrients on the subreddit. So far I'm planning on dosing these as recommended on the bottles to start and then increasing. I also have a bottle of Aquarium CO-OP easy green that I've been using on my 29 gal that I could add as well but was thinking not. Does this dosing list sound okay? Is there anything I should change, or watch out for, cheaper options or really just any advice would be lovely. Thanks in advance, cheers.

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u/Awimpymuffin Jul 23 '21

Thanks for the info, I do plan on keeping plants with red in them, just bought 2 fluval planted plus 48" lights so hopefully it's enough. I'm actually going to be running coal slag as substrate with osmocote plus homemade root tabs.

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u/Jarofcoinss Jul 24 '21

Really the only problem I see (as a reef keeper) is if you aren’t testing don’t dose. Plenty of problems for reef keeping can stem from over dosing with out testing enough. I would dose most of those (unless you can test) only when needed, like dose iron when the reds are doing bad. But dosing phosphorus and nitrogen along with an algaecide might be counter intuitive. Besides that all those products are good

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u/Awimpymuffin Jul 24 '21

This will be a freshwater tank, don't know if this still applies. What would you recommend for testing? I was going to do the EI method with a 50% change weekly

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u/Jarofcoinss Jul 24 '21

Yea I see reef keeping is a good but different but mainly don’t add too much phosphorus or nitrogen or that will lead to bad algae when out of wack. Also don’t way over due the trace elements and irons me such. But with 50% water changes that will be alot harder