I would love to see the pictures.

An ozone generator is not important. I mentioned it because in one of my grow rooms which was air tight I took the bulb out of the casing of my ozone generator. In about 48 hours 20% of the leaves had died. The plants were stunted for two months before they kicked back to normal. The ozone bulbs run at a spectrum of about 185.5 nanometers (billionths of a meter) which is ultraviolet B light. It interfers with the frequency of oxygen and causes to form O3 (ozone) by essentially increasing its electrical negativity or making it energized and wanting electrons so it combines with other oxygen atoms. It is not good for your immune system and apparently your plants either. Sure I was introducing 200 times what I needed but still long term I have heard it is not good either.

You could get a reverse osmosis setup to remove the calcium or you may be able to get a charcoal filter which should be fine too. There are also water softeners. If your water ph is above 7.2 you have to much calcium. The amount of pH down you use to stabilize it to much.

Temps 70 - 80 the benifical fungus can thrive. The fungus actually prefers temps around 60 - 70 as opposed to the 80s. I used to get little mushrooms growing up from my pots from time to time in VT and my plants sat on the concrete floor in my basement. 65-75 degrees I would say was average though it may have gotten just slightly cooler at night.

If the tips are not burned then your npk fert levels should be alright. N burns them up and since your plants are in veg I am guessing your N is the highest # as it should be.

What are your N-P-K levels for your products?

How did the first grow go? Did you use different things or feed at different rates.

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