Florin
Seedling
Hello to all,
Even if this is my first post here, I read the forum for some time and I've learned a lot of things. Thank you for that!
I am in the phase to fine tune the CO2 system. I just received a pH pen (unfortunately a cheap one), so during the weekend I'll be able to do a pH profile and I'll try to adjust CO2 injection as it should be (at least I hope that )
First, aquarium details:
-tank: Eheim Vivaline led 180L (WxDxH = 100x40x45 cm), 135L water
-filtration: Eheim Professional 4+ 350, 1050 lph, fully filled with Matrix and SubstratePro; 80 cm spray bar on the back wall, 8cm below water level; Eheim microSkim on the back wall; flow is fine, plants are gently swaying
-substrate: Dennerle Scaper's Soil 24L, 5cm front, 7cm back
-light: 2 x Eheim classicLED 17W, 2 x 1300 lumen = 2600 lumen in total (can't find any info about PAR); lighting period is 7 hours
-CO2 - 2 kg refillable cylinder, Up Aqua inline atomizer, 300 bpm; injection starts 2 hours before lights on and end 1 hour before lights off; water surface agitation is weak; I have a fine and uniform mist of CO2 in whole tank
-plants: echinodorus, hygrophila polisperma, pogostemon quadrifolius, ludwigia repens; only 50% of bottom is planted, will add more plants later
-fishes: 6 angelfish, 4 cory, 6 sae
-tap water: pH=7.2, KH=2dKH, GH=2.14dGH
-tank water: pH=6.6 (measured with drops, after soil was added, without CO2), KH=1dKH, GH=5dGH (Sera Mineral Salt used to increase)
-fertilization: EI for low light/weekly; macro - KNO3, K2HPO4, K2SO4, micro - EL Profito, targets - NO3=10ppm, PO4=1ppm, K=10ppm, Fe=0.1ppm
And now, some things that I want to clarify, and I need a little help:
-according to https://rotalabutterfly.com/co2-ph-calculator.php, to obtain 30 ppm CO2, target PH (at KH=1) is 6.00; is this pH target correct or pH should be 5.6 (1 drop from actual pH lowered by soil)?
- in case the pH is not ok at lights on or not constant during lighting period, it is better to play with bubble rate or surface agitation to fix that? or maybe both?
- it is "mandatory" to have more that 70% of bottom planted to have the right/constant amount of CO2 in water?
- I consider my lighting as low level (2600 lumens for 135 L of water); is this fine or can be considered medium lighting?
Thanks in advance!
Even if this is my first post here, I read the forum for some time and I've learned a lot of things. Thank you for that!
I am in the phase to fine tune the CO2 system. I just received a pH pen (unfortunately a cheap one), so during the weekend I'll be able to do a pH profile and I'll try to adjust CO2 injection as it should be (at least I hope that )
First, aquarium details:
-tank: Eheim Vivaline led 180L (WxDxH = 100x40x45 cm), 135L water
-filtration: Eheim Professional 4+ 350, 1050 lph, fully filled with Matrix and SubstratePro; 80 cm spray bar on the back wall, 8cm below water level; Eheim microSkim on the back wall; flow is fine, plants are gently swaying
-substrate: Dennerle Scaper's Soil 24L, 5cm front, 7cm back
-light: 2 x Eheim classicLED 17W, 2 x 1300 lumen = 2600 lumen in total (can't find any info about PAR); lighting period is 7 hours
-CO2 - 2 kg refillable cylinder, Up Aqua inline atomizer, 300 bpm; injection starts 2 hours before lights on and end 1 hour before lights off; water surface agitation is weak; I have a fine and uniform mist of CO2 in whole tank
-plants: echinodorus, hygrophila polisperma, pogostemon quadrifolius, ludwigia repens; only 50% of bottom is planted, will add more plants later
-fishes: 6 angelfish, 4 cory, 6 sae
-tap water: pH=7.2, KH=2dKH, GH=2.14dGH
-tank water: pH=6.6 (measured with drops, after soil was added, without CO2), KH=1dKH, GH=5dGH (Sera Mineral Salt used to increase)
-fertilization: EI for low light/weekly; macro - KNO3, K2HPO4, K2SO4, micro - EL Profito, targets - NO3=10ppm, PO4=1ppm, K=10ppm, Fe=0.1ppm
And now, some things that I want to clarify, and I need a little help:
-according to https://rotalabutterfly.com/co2-ph-calculator.php, to obtain 30 ppm CO2, target PH (at KH=1) is 6.00; is this pH target correct or pH should be 5.6 (1 drop from actual pH lowered by soil)?
- in case the pH is not ok at lights on or not constant during lighting period, it is better to play with bubble rate or surface agitation to fix that? or maybe both?
- it is "mandatory" to have more that 70% of bottom planted to have the right/constant amount of CO2 in water?
- I consider my lighting as low level (2600 lumens for 135 L of water); is this fine or can be considered medium lighting?
Thanks in advance!