What defiency?

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Over the last couple of days I've noticed defiencys starting to appear I can't pinpoint if it's nitrigen or phosphate. No3 is 30ppm and po4 is 1ppm so that should be sufficient? Also a few pin holes in my java fern so that could be pottasium also. I have new stunted/crippled growth. I EI dose and have been double dosing so they should have more than enough? Co2 injected with 1 pH drop. I have added a little extra light for the last 10 days or so they was growing like mad and now showing these symotosy maybe to much? I'm getting transparent leafs also but it can't be lack of light as transparency is on the anubias as well as Monte Carlo. Light is fluval aquasky 2.0 over a juwel Rio 125.
 

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Joined
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Yorkshire
New cabomba growth is coming through a little yellowy brown too. Leafs starting to curl of diandra,water wisteria and anubias
 

Zeus.

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Whats the flow like in the tank as the [CO2] may be 30ppm but is the flow in the tank getting the CO2 to the plants fast enough when the light is on max?

Most deficiencys in CO2 injected tanks are CO2 related ( so Carbon) due the CO2 instability's/fluctuations. Have you done a pH profile
 
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Yeah I've got 2100 lph in total on a 125 all flowing the same way around the tank. They was growing like crazy two weeks ago just the last couple of days have starting showing crippled growth, chlorosis,brown spots and yellowing. Co2 is on 3 hrs before lights start with a incline on I tensity. Ph 7.7 degassed lights on 6.7
 
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Yorkshire
I took the plunge and added some extra KNO3 and KH2PO4 dry straight to the tank before work, cake home plants was looking alot more green and vibrant, I double dose the liquid made ei salts I make but they must of needed that boost. Wondering how much plants actually consume it seems to be very high amounts
 
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