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Have had the new setup running now for 2 months, and I am still seeing what I think maybe iron deficiency with new leaves looking transparent with yellowish tips. I'm running a 100 litre tank with an eheim 350T filter (so about 10x flow). Injected co2 on before lights and off before lights...

Do dry ferts have a shelf life? We are using some we bought over 5 years ago and are still seeing some plant deficiencies even dosing ei levels, Jenner wondering if it's not as potent over time. Ta

Just wondering if you can have too much sulphate in an aquarium and is it harmful to fish? I dose mgso4 and am thinking of dosing k2so4 as well, and so will be adding lots of sulphate (so4) to the tank water. Sent from my SM-G935F using Tapatalk

I've read that I should be aiming for 10:1 ratio of NO3 : PO4, however is this really NO3 : PO4 or a ratio of N : P and is this old advice? Also if PO4 is higher than that does that cause an imbalance and thus can cause algae issue? Then again I've read that you can add more PO4 without issues...

Hi, I have just bought a new Roma 125 LED aquarium. I'm using my existing Eheim thermo filter, I have co2 injection and am now using LED lighting (new to me I have used T8 and T5 in the past) I've used Tropica plant substrate covered with a good 2 cm or so of gravel and have the following...

Hi, I've just setup a new tank and am using EI as a basis to dose it as explained by Clive in his article. How do you dose for the first week or so as during this period I will need to do regular (daily for the first week) water changes and so this must dilute the dose? Thanks Steve