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Co2 set up question

Raws69

Member
Joined
5 Oct 2020
Messages
195
Location
Essex
Hi

my schedule is as follows.

co2 starts 8.30am stops 5pm.
lights start 11.30 and reach 60% at 12 then ramp down from 5 to 5.30pm.

I hit a green/slightly blue colour in the drop checker when the lights come on (pic below) and a lime green from around about 2pm to 5pm.

is this ok, hesitant to increase rate as the bubbles are flowing already, but also don’t want to bring the start time forward and saturate the tank
 

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Zeus.

Fertz Calc Meister
Joined
1 Oct 2016
Messages
3,880
Location
Yorkshire,UK
The DC (Drop Checker) takes time to do its colour change to reflex the [CO2] which can take about 2hrs, so using the DC colour change has its limits as it isn't instant. Hence the reason why a pH profile is advised as its easy and instant results. When a DC colour change and a pH profile are used together correctly, getting a stable [CO2] from lights on till CO2 off is much easier esp when new to CO2. Some experienced CO2 users manage it without.
 

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