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I cant seem to get my plants as red as I used to. I have 4 wpg and pressurized co2. I dose some flourish, flourish iron, and some other trace element product. After upgrading to pressurized and 4 wpg I didnt change my dosing and I think I need to, to get the deeper reds I want. What products shoud I get that will make my plants more red?
 

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It doesn't sound like you're adding any macros (K, NO3, PO4). With that much lighting, you really need to stay on top of your ferts or you're asking for algae. Shoot for a 10:2 NO3:pO4 ratio and see what happens. Many keep phosphates high in relation to nitrates for increased red coloration.
 

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Lately I've seen that dosing more Iron in an otherwise nutritionally "full" tank will increase reddness in some plants.

Best,
Phil
 
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