Originally Posted by Seattle_Aquarist
What are you doing - cooking those poor plants?? lol
Serious that is a L-O-T
of light on top of a 13" tall tank; especially without CO2. Excel / glutaraldehyde will provide some carbon but no where near what you will need with a light intensity of about PAR = 165 - 170 (72 + 95) (assuming 2 inch riser and 3" of substrate). Also, PPS-Pro dosing (per the instructions) is never going to provide sufficient nutrients for that amount of light.
If it were me I would: 1) do a 50% water change; 2) immediately start dosing per the Estimative Index (IE) method; and 3) remove the Ray2 from the tank, and either cut the light back on the Planted+ either by adjusting the output of the fixture or if that is not possible then a shorter photoperiod.
Give the plants a week or two and see if they don't respond to less sun-like conditions. lol Let us know how it goes!
10 gallon; 12" tall; [email protected]
; no Co2 but dosing Excel and EI
This is my current setup:
CURRENT SETUP (05/13/2016)
15g Aqueon (24"x12"x12")
Temp 75 F
NH3 ~0-.125 ppm
NO2 ~ 0 ppm
NO3 ~10-15 ppm
GH 15 dGH (~265ppm)
KH 11 dKH (~196.9 ppm)
PO4 ~.8 mg/L
Silicates ~18.5 mg/L
24" Finnex Planted+
18" Finnx Ray 2 DS
These lights are on a 2 inch riser that I custom built.
GLA GRO-1 CO2 REGULATOR Regulator
GLA inline CO2 diffuser on outlet pipe
Atomic Check valve
Eheim Jager 75W
CAL AQUA LABS - EFFLUX F2 - 13MM
CAL AQUA LABS - INFLUX X2S - 13MM
Flourite and Carib Sea Eco-Complete mix
5x Cardinia multidenta 'Amano Shrimp'
2x Puntius titteya, 'Cherry Barb'
3x Otocinclus Catfish
Foreground: Hemianthus callitrichoides, 'Dwarf Baby Tears', staurogyne repens
Midground: Alternanthera reineckii 'Mini', and Blyxa japoinica
Background: Vallisneria spiralis, 'Straight vallisneria', Rotala macrandra mini type 4
Seiryu Stone (Yang Stone)
GLA PPS-Pro Fertilizer
Seachem Flourish Excel
CO2 turns on 2 hours before lights turn on and off one hour before lights turn off. Lights are on a 6 hour cycle. Daily Fertilization at standard PPS-PRO levels.
I hope this clarifies some of the confusion I apologize. Do I still need to remove the Ray 2 for these high light plants? 33% water changes weekly.
I thought you had co2 on this
I do! Sorry for the confusion. See response to Seattle_Aquarist for current setup.
The plants are dieing from an extreme amount of overkill on the light.
What adjustments are there on the planted+ fixture?
The RayII is way too strong to be on that small(short) of a tank and likely
should never be on any tank that isn't at least 20" tall. What does the DS stand for
BTW because it may be less powerful than a regular RayII.
There is a small handful of plants around that can grow fast enough to keep
the algae off at very high PAR. The rest of the plants just can't grow fast enough
to be algae free under extremely high light such as you have in there.
60-80 PAR is more than most tanks can take and still remain algae free.
If you check the PAR rating on the Planted+ and find it to put out PAR in that
range at the depth of your tank then just get rid of the RayII completely.
If it doesn't get higher than 40(50 would be enough) PAR at the depth of
your tank then perhaps you can remove the Planted+ and filter the light from
RayII with some window screen(fiberglass) to tone it down. Use the chart you
already have on the RayII and take off 30-35% from the number it gives at the
depth of your tank. This will tell you how much one piece of fiberglass window screen will reduce the PAR. If it gets below 80 then you are good to go. If it does not
you will need to raise the fixture more.
Thank you for the suggestion. I have thought about this as well. I have the link to the PAR data on the Ray2 and the Planted+. But my concern is that I will not have enough light to grow the DBTs. I have attached a profile of my tank to further clarify what and how I am running it. I hope this helps! Based on the newly given information, will I still need to take off one of the lights?
Here is a link to the Ray 2 light that I that I had for my old tank: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1